Extron electronic Stereo Amplifier P 2 DA12 Series User Manual

User’s Manual  
P/2 DA8 and P/2 DA12 Series  
VGA Distribution Amplifiers  
68-1475-01  
Rev. A  
04 08  
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警告  
安全须知 中文  
这个符号提示用户该设备用户手册中  
电源 设备只能使用产品上标明的电源。 设备  
必须使用有地线的供电系统供电。 第三条线  
(地线)是安全设施,不能不用或跳过。  
拔掉电源 为安全地从设备拔掉电源,请拔掉所有设备后  
或桌面电源的电源线,或任何接到市电系统的电源线。  
电源线保护 妥善布线, 避免被踩踏,或重物挤压。  
有重要的操作和维护说明。  
这个符号警告用户该设备机壳内有暴  
露的危险电压,有触电危险。  
维护 所有维修必须由认证的维修人员进行。 设备内部  
没有用户可以更换的零件。为避免出现触电危险不要自  
己试图打开设备盖子维修该设备。  
注意  
阅读说明书 户使用该设备前必须阅读并理  
解所有安全和使用说明。  
保存说明书 用户应保存安全说明书以备将来使  
用。  
通风孔 有些设备机壳上有通风槽或孔,它们是用来防止  
机内敏感元件过热。 不要用任何东西挡住通风孔。  
锂电池 不正确的更换电池会有爆炸的危险。 必须使用  
与厂家推荐的相同或相近型号的电池。 按照生产厂的  
建议处理废弃电池。  
遵守警告 用户应遵守产品和用户指南上的所有安  
全和操作说明。  
避免追加 不要使用该产品厂商没有推荐的工具或  
追加设备,以避免危险。  
声明  
所使用电源为 A 级产品,在生活环境中,该产品可能会造成无线电干扰。在这种情况下,可能需要用  
户对其干扰采取切实可行的措施。  
FCC Class A Notice  
This equipment has been tested and found to comply with the limits for a Class A digital device,  
pursuant to part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this  
device may not cause harmful interference, and (2) this device must accept any interference received,  
including interference that may cause undesired operation. The Class A limits are designed to  
provide reasonable protection against harmful interference when the equipment is operated in  
a commercial environment. This equipment generates, uses, and can radiate radio frequency  
energy and, if not installed and used in accordance with the instruction manual, may cause harmful  
interference to radio communications. Operation of this equipment in a residential area is likely to  
cause harmful interference, in which case the user will be required to correct the interference at his  
own expense.  
This unit was tested with shielded cables on the peripheral devices. Shielded cables must be used  
with the unit to ensure compliance with FCC emissions limits.  
N
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Table of Contents  
Chapter One Introduction.................................................... 1-1  
About This Manual.................................................................... 1-2  
Description of P/2 DA8 and P/2 DA12 Series.................... 1-2  
Features of P/2 DA8 and P/2 DA12 Series......................... 1-3  
Chapter Two Installation and Operation................... 2-1  
Installation Overview............................................................... 2-2  
Mounting the Distribution Amplifier.................................. 2-2  
Tabletop placement ............................................................... 2-2  
Rack Mounting....................................................................... 2-2  
UL requirements for rack mounting......................................2-2  
Rack mounting procedures....................................................2-3  
Under-desk mounting............................................................ 2-4  
Front Panel Features................................................................. 2-6  
Rear Panel Features................................................................... 2-7  
Operation..................................................................................... 2-8  
Sync impedence switches...................................................... 2-8  
Video Input and Output Connections .................................. 2-9  
Audio input .......................................................................... 2-10  
Audio output........................................................................ 2-10  
Mute Control........................................................................ 2-11  
Troubleshooting....................................................................... 2-12  
Appendix A Reference Information ............................A-1  
Specifications..............................................................................A-2  
Included Parts .............................................................................A-6  
Optional accessories and cables...........................................A-6  
All trademarks mentioned in this manual are the properties of their respective owners.  
68-1475-01  
Rev A  
04 08  
P/2 DA8 and P/2 DA12 • Table of Contents  
i
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Table of Contents, cont’d  
P/2 DA8 and P/2 DA12 • Table of Contents  
ii  
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P/2 DA8 and P/2 DA12 Series  
Chapter One  
1
Introduction  
About this Manual  
Description of P/2 DA8 and P2 DA12 Series  
Features of P/2 DA8 and P2 DA12 Series  
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Introduction  
About This Manual  
This manual contains information about the Extron P/2 DA8,  
P/2 DA8 A, P/2 DA12 and P/2 DA12 A distribution amplifiers  
with instructions on how to mount, install, and operate these  
units.  
Unless otherwise specified, references to "the distribution  
amplifier" in this manual relate to the features or operation of all  
four of these models.  
Description of P/2 DA8 and P/2 DA12 Series  
The Extron P/2 DA8 and P/2 DA12 series are a family of high  
performance VGA-QXGA distribution amplifiers, available with  
or without audio.  
All models accept a single video input signal, which may be  
RGBHV, RGBS, RGsB, RsGsBs, HDTV component (tri-level and  
bi-level sync), S-video, or composite video. They are compatible  
with resolutions from VGA (640 x 480) to QXGA (2048 x 1536).  
The signal is distributed to eight (P/2 DA8 series) or twelve  
(P/2 DA12 series) outputs, without modifying the signal: the  
output video signal format follows the input format.  
An XGA signal can be extended up to 150' over Extron mini high  
resolution (MHR) cable.  
The audio versions (P/2 DA8 A and P/2 DA12 A) also accept  
a single, unbalanced audio signal and distribute it to eight or  
twelve, balanced or unbalanced, audio outputs.  
P/2 DA8 and P/2 DA12 • Introduction  
1-2  
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Features of P/2 DA8 and P/2 DA12 Series  
Bandwidth — 350 MHz (-3dB) RGB video bandwidth, fully  
loaded, which is compatible with resolutions from VGA to  
QXGA.  
Wide range of compatible signal types and resolutions  
all models are able to accept and distribute RGBHV, RGBS,  
RGsB, RsGsBs, YUV (tri-level and bi-level sync), S-video and  
composite video signals.  
Power LED — located on front panel. It has a dual purpose as  
power indicator and input signal status.  
Sync Impedance DIP Switches — for solving laptop  
compatibility issues, and reflection problems caused by long  
cable runs.  
Output Mute — allows video and audio outputs from specific  
channels or all channels to be muted.  
Active Audio Buffering — distributes and actively buffers  
audio outputs in a balanced or unbalanced operation.  
E
UT  
M
7
5
3
1
A
8
6
4
2
S
T
R
R
UTPU  
7
8
O
L
L
IO  
D
U
A
R
R
5
L
R
R
6
L
3
4
L
L
R
R
1
2
L
L
7
5
6
PUTS  
T
VIDEO OU  
3
4
1
2
A
A8  
D
P/2  
A
.6  
0
INPUTS  
V
0
4
-2  
0
0
1
Sound  
System  
z
H
0
-6  
0
5
Video In  
Audio In  
Plasma  
Display  
Projector  
Local Monitor  
PC  
Figure 1-1 — A typical application for the P/2 DA8 A  
P/2 DA8 and P/2 DA12 • Introduction  
1-3  
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Introduction, cont’d  
P/2 DA8 and P/2 DA12 • Introduction  
1-4  
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P/2 DA8 and P/2 DA12 Series  
Chapter Two  
2
Installation and Operation  
Installation Overview  
Mounting the Distribution Amplifier  
Front Panel Features  
Rear Panel Features  
Operation  
Troubleshooting  
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Installation and Operation  
Installation Overview  
The distribution amplifiers can be mounted on tabletops, in  
racks and under furniture. Through-desk mounting is not  
recommended for these products. To install these units, follow  
these steps:  
1.  
Turn off all electrical equipment. Make sure that the input  
sources, the distribution amplifier, and the output displays  
are all turned off, disconnected from their power sources,  
and connecting cables have been removed.  
2.  
Mount the unit (see "Mounting the Distribution  
Amplifier" below).  
3.  
4.  
Connect the Cables (see "Operation" on pages 2-8 to 2-12).  
Plug in the power supply and turn on the display devices  
and input devices.  
Mounting the Distribution Amplifier  
The 1 U, full rack size of these distribution amplifiers allows  
them to be mounted on a tabletop, on racks, or under furniture.  
Tabletop placement  
Attach the four included rubber feet to the bottom of the unit  
and place it in any convenient location.  
Rack Mounting  
UL requirements for rack mounting  
The following Underwriters Laboratories (UL) concerns are  
relevant to the safe installation of these distribution amplifiers in  
a rack:  
1.  
Elevated operating ambient temperature — If the unit  
is installed in a closed or multi-unit rack assembly, the  
operating ambient temperature of the rack environment  
may be greater than room ambient temperature. Therefore,  
install the equipment in an environment compatible with  
the maximum ambient temperature (Tma: +122 °F, +50 ° C)  
specified by Extron.  
2.  
3.  
4.  
Reduced air flow — Install the equipment in the rack  
so that the equipment gets adequate air flow for safe  
operation.  
Mechanical loading — Mount the equipment in the rack  
so that uneven mechanical loading does not create a  
hazardous condition.  
Circuit overloading — Connect the equipment to  
the supply circuit and consider the effect that circuit  
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-2  
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overloading might have on overcurrent protection and  
supply wiring. Give appropriate consideration to the  
equipment nameplate ratings when addressing this  
concern.  
5.  
Reliable earthing (grounding) — Maintain reliable  
grounding of rack-mounted equipment. Pay particular  
attention to supply connections other than direct  
connections to the branch circuit (such as the use of power  
strips).  
Rack mounting procedures  
The units can be rack mounted, using the MBD 149 mounting kit  
(part #70-077-03) provided with the unit.  
1. Remove rubber feet if these have been installed on the  
bottom of the unit.  
2. Secure one bracket to each side of the distribution amplifier  
with the provided bracket mounting screws (four #8 screws  
for each bracket — see figure 1 below).  
MBD 149 Bracket  
FRONT  
Rack mounting screws  
Bracket mounting screws  
Figure 2-1 — Installing a full rack unit on a shelf rack  
3. Align the holes in the mounting brackets with holes in the  
rack and secure the unit with brackets to the rack using the  
four rack-mounting screws and four washers provided with  
the mounting kit.  
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-3  
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Installation and Operation, cont’d  
Under-desk mounting  
Mount the unit under a desk or podium using the optional  
Extron MBU 149 kit (part #70-222-01) as follows:  
1.  
Remove rubber feet if these have been installed on the  
bottom of the unit.  
2.  
Using the provided #8 screws, attach the mounting  
brackets to the distribution amplifier (four screws on each  
side, as shown below in figure 2).  
Mounting Screws  
(2 Plcs)  
Each Side  
#8 Screw  
(4 Plcs)  
Each Side  
Figure 2-2 — Under-desk mounting the interface  
3.  
4.  
5.  
Hold the unit, with the brackets attached, against the  
underside of the table or other furniture. Mark the location  
of the holes in the bracket on the mounting surface.  
Drill four pilot holes, each 3/32" (2 mm) in diameter by  
1/4" deep (6.3 mm) deep, into the mounting surface at the  
marked screw locations.  
Insert #8 wood screws into the four pilot holes. Tighten  
each screw into the mounting surface until just less than  
1/4" (6.3 mm) of the screw head protrudes.  
6.  
7.  
Guide the slots in the mounting brackets over the  
protruding screw heads.  
Slide the unit forward or backward by 3/8" (4.7 mm) so  
that the brackets are supported by the screws. Tighten all  
four screws to secure the unit in place.  
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-4  
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P/2 DA8 and P/2 DA12 • Installation and Operation  
2-5  
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Installation and Operation, cont’d  
Front Panel Features  
The front panels in the figure below show the P/2 DA8 series  
(upper panel) and P/2 DA12 (lower panel).  
SYNC IMPEDANCE  
1
2
3
4
5
O
N
O
N
OFF  
1
2
3
4
5
P/2 DA8 Series  
DISTRIBUTION AMPLIFIER  
1
2
SYNC IMPEDANCE  
1
2
3
4
5
6
7
O
N
O
N
OFF  
1
2
3
4
5
6
7
P/2 DA12 Series  
DISTRIBUTION AMPLIFIER  
Figure 2-3 — Front panel features  
Power LED — indicates power and input signal status. When  
the unit is receiving power, the LED is illuminated orange/  
amber. When the unit is receiving both power and an input  
signal, the LED is illuminated green.  
a
b
Sync Impedance Switches — are DIP switches, which are used  
to select the sync impedance on the input and outputs. (See  
page 2-8.)  
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-6  
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Rear Panel Features  
All power, input and output connections are located on the rear  
panels of all models, as shown in the figure below.  
VIDEO OUTPUTS  
MUTE  
100-240V  
0.3A  
1
3
5
7
A
1
3
4
5
7
8
INPUT  
2
4
6
8
P/2 DA8  
2
6
50/60 Hz  
VIDEO OUTPUTS  
MUTE  
100-240V  
0.3A  
AUDIO OUTPUTS  
1
2
3
4
5
7
8
L
L
1
2
R
R
L
L
3
4
R
R
L
L
5
6
R
R
L
L
7
8
R
R
A
1
3
4
5
7
8
INPUT  
6
P/2 DA8 A  
2
6
50/60 Hz  
6
3
4
5
7
8
VIDEO OUTPUTS  
MUTE  
100-240V  
0.3A  
AUDIO OUTPUTS  
1
2
3
4
5
7
8
9
11  
12  
L
L
1
2
R
L
L
3
4
R
L
L
5
6
R
R
L
L
7
8
R
L
L
9
R
R
L
L
11  
12  
R
R
A
1
3
5
6
7
8
9
11  
INPUT  
6
10  
P/2 DA12 A  
P/2 DA12  
R
R
R
10  
2
4
10 12  
50/60 Hz  
VIDEO OUTPUTS  
MUTE  
100-240V  
0.3A  
1
2
3
4
5
6
7
8
9
11  
12  
A
1
2
3
5
6
7
8
9
11  
INPUT  
10  
4
10 12  
50/60 Hz  
Figure 2-4 — Rear panel features  
AC power connection — Use the provided IEC connector to  
connect the unit to a convenient power socket. The internal  
power supply will support 100-240 VAC, 50-60 Hz.  
c
d
Video input — One female DB-15 connector is used for video  
input. Acceptable input formats include: RGBHV, RGBS,  
RGsB, RsGsBs, YUV (tri-level and bi-level sync), S-video, and  
composite video. (See page 2-9.)  
Audio input (P/2 DA8 A and P/2 DA12 A models only) — One  
female 3.5 mm TRS connector accepts unbalanced audio input.  
(See page 2-10.)  
e
f
Video outputs — Up to eight (P/2 DA8 series) or twelve (P/2  
DA12 series) outputs can be connected using female DB-15  
connectors. The output signal format follows that of the input.  
(See page 2-9.)  
ID bits on pins 4, 11, 12, and 15 are routed to Output 1.  
N
Audio outputs (P/2 DA8 A and P/2 DA12 A models only)  
Up to eight (P/2 DA8 A) or twelve (P/2 DA12 A) outputs  
can be connected using 3.5 mm 5 pole captive screw connectors.  
Outputs can be balanced or unbalanced. (See page 2-10.)  
g
h
Mute controls — On P/2 DA 8 models, two 3.5 mm, 5-pole  
captive screw connectors will be used to mute video and audio  
from specific or all outputs. On P/2 DA12 models, two 3.5 mm,  
4 pole and two 3.5 mm, 3 pole captive screw connectors will be  
used. (See page 2-11.)  
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-7  
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Installation and Operation, cont’d  
Operation  
After the distribution amplifier and its connected devices are  
powered up, the system is fully operational. If any problems  
occur, ensure that the cables are properly routed and connected.  
Sync impedance switches  
SYNC IMPEDANCE  
To solve laptop compatibility issues on the  
1
2
3
4
5
6
7
ON ON  
video input, or reflection problems on the  
video output, use these dip switches to  
correct for sync impedance mismatches.  
OFF  
1
2
3
4
5
6
7
Switch 1 (sync input impedance) — The default setting is OFF  
(510 ohms). If the image from the laptop is unstable, slide the  
DIP switch ON (10k ohms).  
Switches 2-7 (sync output impedance) — Each of these switches  
controls a pair of outputs simultaneously (see table below). The  
default setting is OFF (50 ohms). If the front LED is green and all  
the input and output cables are connected correctly, but there is  
no image on the display, slide the switch to ON (75 ohms).  
Switch  
Function  
Sync Impedance (ohms)  
On  
10,000  
75  
Off  
1
2
3
4
5
6
7
Input sync  
510  
50  
50  
50  
50  
50  
50  
Output 1 & 2 sync  
Output 3 & 4 sync  
Output 5 & 6 sync  
Output 7 & 8 sync  
Output 9 & 10 sync  
Output 11 & 12 sync  
75  
75  
75  
75  
75  
Switches 6 and 7 are only available on P/2 DA12 models.  
N
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-8  
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Video Input and Output Connections  
All models are able to accept RGBHV, RGBS, RGsB, RsGsBs,  
YUV (tri-level and bi-level sync), S-video and composite video,  
and resolutions from VGA (640 x 480) to QXGA (2048 x 1536).  
The signal is distributed without modification: the output  
format follows the input format.  
To make input and output connections with other devices,  
follow these instructions:  
1.  
2.  
3.  
Turn off the power to the distribution amplifier and the  
video source.  
Connect the video source to the 15-pin female HD input  
socket on the rear panel of the distribution amplifier.  
Connect the display devices to the 15-pin female HD  
output sockets on the rear panel of the distribution  
amplifier.  
ID bits on pins 4, 11, 12, and 15 are routed to Output 1.  
N
N
For optimal performance, all display devices should have  
similar resolution capabilities.  
For sources and displays that require different  
connectors, use an HD adapter cable, such as the Extron  
SY BNCM series (#26-533-xx; see the figure below, at  
left). The BNC connectors used for different signal types  
are shown in the figure below, at right.  
N
RGBHV  
R
R
R
R
R
B
B
B
B
B
H
H
H
H
H
V
V
V
V
V
G
G
G
G
G
RGBS  
RGsB,  
RsGsBs,  
Component  
S-video  
Composite  
15-pin HD Connector  
Figure 2-5 — Video Connections  
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-9  
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Installation and Operation, cont’d  
Audio input  
For models P/2 DA8 A and P/2 DA12 A, use a female 3.5 mm  
mini Tip Ring Sleeve (TRS) connector to provide an unbalanced  
audio input. Switch off power to the distribution amplifier and  
INPUT  
audio source. Connect the audio source  
to the audio input socket on the rear  
panel of the distribution amplifier.  
Audio Input  
Wiring for the TRS connector is shown in the figure below.  
Tip (L)  
Ring (R)  
Tip  
Left +  
Ring  
Right +  
Sleeve Ground  
Sleeve (  
)
3.5 mm Stereo Plug Connector  
(unbalanced)  
Figure 2-6 — Audio input  
Audio output  
The P/2 DA8 A (eight outputs) and P/2 DA12 A (twelve  
outputs) use 3.5 mm, 5-pole, captive screw connectors for audio  
outputs as shown in figure 2-7.  
AUDIO OUTPUTS  
L
L
1
2
R
R
L
L
3
4
R
R
L
L
5
6
R
R
L
L
7
8
R
R
L
L
9
R
R
L
L
11  
12  
R
R
10  
Figure 2-7 — Audio output connections  
The audio outputs can be balanced or unbalanced depending  
on the wiring (see figure 2-8 on the next page). The length of  
exposed wires in the captive screw connector is critical (see the  
note and caution on the next page).  
Balanced output wiring produces a +6 dB gain.  
Unbalanced output wiring produces 0 dB gain.  
N
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-10  
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Tip  
Tip  
Ring  
Sleeve(s)  
Tip  
Left  
Left  
NO GROUND HERE.  
Sleeve(s)  
Tip  
Right  
Right  
NO GROUND HERE.  
Ring  
Unbalanced Stereo Output  
Balanced Stereo Output  
CAUTION  
For unbalanced audio, connect the sleeve(s)  
to the center contact ground. DO NOT connect  
the sleeve(s) to the negative (-) contacts.  
Figure 2-8 — Audio output wiring  
Mute Control  
The mute control provides a way to mute  
individual outputs, or all outputs at once.  
Audio and video for each output is muted  
simultaneously.  
MUTE  
A
1
2
3
5
6
7
8
9
11  
4
10 12  
Each output is assigned to a pin on the captive  
screw connector. To mute any output, short  
its pin to the ground pin ( ). Multiple outputs  
can be shorted at the same time. To mute all outputs at once,  
short pin A (all) to the ground pin.  
The P/2 DA8 A model uses two 3.5 mm, 5-pole, captive screw  
connectors. The P/2 DA12 A model (shown above) uses two  
3.5 mm 4-pole connectors and two 3.5 mm 3-pole connectors.  
For connections to captive screw receptacles, the length of the  
exposed wires is critical.  
The ideal length of stripped wire is 3/16” (5 mm):  
N
If the stripped section of wire is longer than 3/16”,  
the exposed wires may touch, causing a short circuit  
between them.  
If the stripped section of wire is shorter than 3/16”,  
the wires can be easily pulled out even if tightly  
fastened by the captive screws.  
Do not tin the wires. Tinned wire does not hold its  
shape and can become loose over time.  
C
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-11  
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Installation and Operation, cont’d  
Troubleshooting  
After input and display devices are connected to the distribution  
amplifier and all units are powered up, the system is fully  
operational. If any problems occur, ensure that the cables are  
properly routed and connected. Some common problems and  
diagnostic checks are shown below:  
If the LED light on the front panel is not on, the distribution  
amplifier is not receiving power. Ensure that the electric outlet  
is functional and that the power cord is correctly connected (see  
page 2-7).  
If there is no image on the display device, check that there is  
an input signal. If the LED light is amber, the power is on but  
the distribution amplifier is not receiving an input signal. Verify  
that the cables are correctly connected from the input device and  
that the input device is switched on (see pages 2-9 and 2-10).  
If the front LED is green but there is still no output signal:  
Check that the cables to the output device are connected  
correctly (see pages 2-9 and 2-10).  
Make sure that the output for that channel has not been  
muted (see page 2-11).  
Change the sync impedance of the output to 75 ohms on the  
front panel (see page 2-8).  
If the source is a laptop computer, which is providing an  
unstable output image, ensure sync impedance switch number  
1 (input sync) is in the ON position (see page 2-8).  
If output 1 supports an image but other display devices do not,  
ensure that the resolution capabilities of the display device on  
output 1 does not exceed the resolution capabilities of output  
devices on the other channels. For optimal performance, all  
display devices should have similar resolution capabilities (see  
page 2-9).  
P/2 DA8 and P/2 DA12 • Installation and Operation  
2-12  
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P/2 DA8 and P/2 DA12 Series  
Appendix A  
A
Reference Information  
Specifications  
Included Parts  
Accessories  
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Reference Information  
Specifications  
Video  
Gain................................................. Unity  
Bandwidth...................................... 350 MHz (-3 dB)  
Video Input  
Number/signal type..................... 1 VGA-QXGA RGBHV, RGBS, RGsB,  
RsGsBs, HDTV component video, S-video,  
composite video  
Connectors ..................................... (1) 15-pin HD female (optional Mac/VGA  
adapters are available)  
Nominal level ................................ 1.0 Vp-p for Y of component video and  
S-video, and for composite video  
0.7 Vp-p for RGB and for R-Y and B-Y of  
component video  
0.3 Vp-p for C of S-video  
Minimum/maximum levels........ Analog: 0.3 V to 1.5 Vp-p with no offset at  
unity gain  
Impedance...................................... 75 ohms  
Horizontal frequency.................... 15 kHz to 135 kHz  
Vertical frequency.......................... 30 Hz to 150 Hz  
Return loss...................................... <-40 dB @ 5 MHz  
Input coupling............................... DC  
Video Output  
Number/signal type..................... 8 or 12 (depending on model) RGBHV,  
RGBS, RGsB, RsGsBs, HDTV component  
video, S-video, composite video (follows  
input type)  
Connectors  
P/2 DA8 Series.................. 8 female 15-pin HD  
P/2 DA12 Series................ 12 female 15-pin HD  
Nominal level ................................ 1 Vp-p for Y of component video and  
S-video, and for composite video  
0.7 Vp-p for RGB and for R-Y and B-Y of  
component video  
0.3 Vp-p for C of S-video  
Minimum/maximum levels........ 0.3 V to 1.5 Vp-p (follows input)  
Impedance...................................... 75 ohms  
Return loss...................................... <-40 dB at 5 MHz  
DC offset......................................... 5 mV with input at 0 offset  
P/2 DA8 and P/2 DA12 • Reference Information  
A-2  
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Sync  
Input type....................................... RGBHV, RGBS, RGsB, RsGsBs; bi-level  
and tri-level sync  
Output type.................................... RGBHV, RGBS, RGsB, RsGsBs; bi-level  
and tri-level sync (follows input)  
Tri-level on Y, R-Y, B-Y channels  
(component video 720p, 1080i, 1080p)  
Bi-level on Y channel (for all other  
component video rates)  
Input level ...................................... 2.0 V to 5.0 Vp-p (TTL)  
Output level................................... 0.3 Vp-p for component video (bi-level  
sync)  
0.6 Vp-p for component video (tri-level  
sync)  
TTL: 5.0 Vp-p, unterminated for RGBHV,  
RGBS  
Input impedence ........................... 10k ohms or 510 ohms (default), selectable  
Output impedence ........................ 50 ohms or 75 ohms (default), selectable  
Max. propogation delay............... 90 ns  
Max. rise/fall time ........................ 2 ns  
Polarity............................................ Positive or negative (follows input)  
P/2 DA8 and P/2 DA12 • Reference Information  
A-3  
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Reference Information, cont’d  
Audio — P/2 DA8 A, P/2 DA12 A  
Gain................................................. Unbalanced output: 0 dB;  
Balanced output: + 6 dB  
Frequency response ...................... 20 Hz to 20 kHz, 0.2 dB  
THD + Noise.................................. 0.03% @ 1 kHz at nominal level  
S/N.................................................. >90 dB at maximum output (unweighted)  
Stereo channel separation ............ >80 dB @ 1Hz  
Audio Input — P/2 DA8 A, P/2 DA12 A  
Number/signal type..................... 1 stereo, unbalanced  
Connectors ..................................... (1) 3.5 mm mini audio jack (tip, ring,  
sleeve)  
Impedance...................................... >10k ohms unbalanced, DC coupled  
Nominal level ................................ -10 dBV (316 mVrms)  
Maximum level.............................. +16 dBu, (balanced) at 1% THD + N  
0 dBu =0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu  
N
Audio Output — P/2 DA8 A, P/2 DA12 A  
Number/signal type..................... 8 or 12 (depending on model) stereo,  
balanced/unbalanced  
Connectors  
P/2 DA8 A.......................... (8) 3.5 mm captive screw connectors, 5  
pole  
P/2 DA12 A........................ (12) 3.5 mm captive screw connectors, 5  
pole  
Impedance...................................... 50 ohms unbalanced, 100 ohms balanced  
Gain error ....................................... 0.1 dB channel to channel  
Maximum level (Hi-Z) ................. >+28 dBu, balanced, >+20 dBV unbalanced  
at 1% THD+N  
Maximum level (600 ohm)........... >+21 dBm, balanced, >+18 dBm  
unbalanced at 1% THD+N  
Control/remote — distibution amplifier  
Contact closure mute control....... (2) 3.5 mm captive screw connectors, 4  
pole and  
(2) 3.5 mm captive screw connectors, 3  
pole  
P/2 DA8 and P/2 DA12 • Reference Information  
A-4  
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Contact closure pin configurations  
P/2 DA8 series................... A = mute all outputs, 1 = mute output 1,  
2 = mute output 2, 3 = mute output 3,...  
8 = mute output 8  
P/2 DA12 series................. A = mute all outputs, 1 = mute output 1,  
2 = mute output 2, 3 = mute output 3,...  
12 = mute output 12  
General  
Power.............................................. 100 VAC to 240 VAC, 50/60 Hz, 30 watts,  
internal  
Temperature/humidity................ Storage - 40° to + 158°F (-40° to + 70°C) /  
10% to 90%, noncondensing  
Operating + 32° to + 122°F (0° to + 50°C) /  
10% to 90%, noncondensing  
Cooling ........................................... Convection, no vents  
Rack mount.................................... Yes, with included brackets, MBD 149,  
part # 70-077-03  
Also furniture mountable with optional  
under-desk mounting kit, MBU 149,  
part # 70-222-01  
Enclosure type ............................... Metal  
Enclosure dimensions................... 1.7" H x 17.4" W x 8.5" D (1U high, full  
rack wide)  
4.3 cm H x 44.2 cm W x 21.6 cm D  
(Depth excludes connectors.)  
Product weight .............................. 6 lbs (2.7 kg)  
Shipping weight ............................ 9 lbs (5 kg)  
DIM weight  
USA/Canada ..................... 10 lbs (5 kg)  
International....................... 11 lbs (5 kg)  
Vibration......................................... ISTA 1A in carton (International Safe  
Transit Association)  
Listings............................................ UL, CUL  
Compliances................................... CE, FCC Class A, VCCI, AS/NZS, ICES  
MTBF............................................... 30,000 hours  
Warranty......................................... 3 years parts and labor  
All nominal levels are at 10%  
N
N
Specifications are liable to change without notice  
P/2 DA8 and P/2 DA12 • Reference Information  
A-5  
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Reference Information, cont’d  
Included Parts  
Included Parts  
P/2 DA8  
Part number  
60-891-02  
or P/2 DA8 A  
or P/2 DA12  
or P/2 DA12 A  
IEC Power Cord  
Tweeker  
60-891-01  
60-893-02  
60-893-01  
Rubber Feet (4)  
3.5 mm, 3-pole captive screw connector  
w/tail (blue) — Audio models only (2)  
100-456-01  
100-457-01  
3.5 mm, 4-pole captive screw connector  
w/tail (blue) — Audio models only (2)  
3.5 mm, 5-pole captive screw connector  
w/tail (blue) — Audio models only (8 for  
P/2 DA8; 12 for P/2 DA12)  
Zip Tie, clear. For captive screw connectors  
— Audio models only (12 for P/2 DA8; 16  
for P/2 DA12)  
MBD 149, 1U full rack width, rack mount  
kit  
70-077-03  
User Manual (on CD)  
Optional accessories and cables  
Accessories  
Part number  
MBU 149, 1U full rack under-desk  
mounting kit for four-piece enclosure  
70-222-01  
VGA M-M, male to male VGA cables  
26-238-xx  
26-490-xx  
VGA-A M-M MD, male to male VGA  
cables with audio cables  
VGAP M-M MD, male to male plenum  
VGA cables  
26-439-xx  
26-567-xx  
26-566-xx  
26-533-xx  
MVGA M-M, male to male micro VGA  
cables  
MVGA-A M-M, male to male micro VGA  
cables with audio cables  
SYM BNCM, 15-pin HD male to BNC male  
Mini High Resolution (MHR) cables  
P/2 DA8 and P/2 DA12 • Reference Information  
A-6  
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Accessories  
Part number  
SY VGAM-RGBHVF, VGA male to BNC  
female molded adapter, various lengths  
26-397-01  
SY VGAM-RGBHVF, VGA male to BNC  
female pig tail adapter, various lengths  
26-604-02  
26-260-xx  
26-378-xx  
MHR-5 BNC Series, BNC male to male 5  
conductor MHR cables, various lengths  
MHR-5P BNC Series, BNC male to male  
5 conductor plenum MHR cables, various  
lengths  
M59-5 BNC Series, BNC male to male 5  
conductor M59 flex cables, various lengths  
26-499-xx  
26-369-xx  
26-210-xx  
26-368-xx  
26-383-xx  
26-316-xx  
26-522-xx  
RG6-5 BNC Series, BNC male to male 5  
conductor RG6 cables, various lengths  
MHR-4 BNC Series, BNC male to male 4  
conductor MHR cables, various lengths  
RG6-4 BNC Series, BNC male to male 4  
conductor RG6 cables, various lengths  
RG6 BNC Series, BNC male to male single  
conductor cable, various lengths  
MHR-2 SVM-M, male to male 4-pin mini  
DIN S-video cables, various lengths  
MHR-2P SVM-M, male to male 4-pin  
mini DIN S-video cables, plenum, various  
lengths  
MLSC 406/506/5IP SV, S-video mini DIN  
to BNC (Y/C) cable, various lengths  
26-628-xx  
26-592-01  
26-620-01  
26-575-01  
IN9107  
MSR 6, Mini stereo plug to RCA female  
audio adapter  
CSM 6, Captive screw to female 3.5 mm  
mini stereo jack adapter  
CSR 6, Captive screw to RCA female audio  
adapter  
3.5 mm stereo audio male to (2) RCA male  
stereo audio adapter  
STP Series, 20/22 AWG single/dual, serial  
control/audio cable (bulk 1000')  
26-156-03  
to 26-163-03  
CTL Series, comm-link bulk cable  
26-148-xx  
P/2 DA8 and P/2 DA12 • Reference Information  
A-7  
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Reference Information, cont’d  
P/2 DA8 and P/2 DA12 • Reference Information  
A-8  
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FCC Class A Notice  
Note: This equipment has been tested and found to comply with the limits for a  
Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed  
to provide reasonable protection against harmful interference when the equipment is  
operated in a commercial environment. This equipment generates, uses and can radiate  
radio frequency energy and, if not installed and used in accordance with the instruction  
manual, may cause harmful interference to radio communications. Operation of this  
equipment in a residential area is likely to cause harmful interference, in which case the  
user will be required to correct the interference at his own expense.  
Note: This unit was tested with shielded cables on the peripheral devices. Shielded  
cables must be used with the unit to ensure compliance.  
Extron’s Warranty  
Extron Electronics warrants this product against defects in materials and workmanship  
for a period of three years from the date of purchase. In the event of malfunction during  
the warranty period attributable directly to faulty workmanship and/or materials,  
Extron Electronics will, at its option, repair or replace said products or components,  
to whatever extent it shall deem necessary to restore said product to proper operating  
condition, provided that it is returned within the warranty period, with proof of  
purchase and description of malfunction to:  
USA, Canada, South America,  
and Central America:  
Extron Electronics  
Europe, Africa, and the Middle East:  
Extron Electronics, Europe  
Beeldschermweg 6C  
1001 East Ball Road  
3821 AH Amersfoort  
Anaheim, CA 92805, USA  
The Netherlands  
Asia:  
Japan:  
Extron Electronics, Asia  
135 Joo Seng Road, #04-01  
PM Industrial Bldg.  
Singapore 368363  
Extron Electronics, Japan  
Kyodo Building  
16 Ichibancho  
Chiyoda-ku, Tokyo 102-0082  
Japan  
This Limited Warranty does not apply if the fault has been caused by misuse, improper  
handling care, electrical or mechanical abuse, abnormal operating conditions or non-  
Extron authorized modification to the product.  
If it has been determined that the product is defective, please call Extron and ask for an  
Applications Engineer at (714) 491-1500 (USA), 31.33.453.4040 (Europe), 65.6383.4400  
(Asia), or 81.3.3511.7655 (Japan) to receive an RA# (Return Authorization number). This  
will begin the repair process as quickly as possible.  
Units must be returned insured, with shipping charges prepaid. If not insured, you  
assume the risk of loss or damage during shipment. Returned units must include the  
serial number and a description of the problem, as well as the name of the person to  
contact in case there are any questions.  
Extron Electronics makes no further warranties either expressed or implied with respect  
to the product and its quality, performance, merchantability, or fitness for any particular  
use. In no event will Extron Electronics be liable for direct, indirect, or consequential  
damages resulting from any defect in this product even if Extron Electronics has been  
advised of such damage.  
Please note that laws vary from state to state and country to country, and that some  
provisions of this warranty may not apply to you.  
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Extron Electronics, USA  
1230 South Lewis Street  
Anaheim, CA 92805  
800.633.9876 714.491.1500  
FAX 714.491.1517  
Extron Electronics, Europe  
Beeldschermweg 6C  
3821 AH Amersfoort, The Netherlands  
+800.3987.6673 +31.33.453.4040  
FAX +31.33.453.4050  
Extron Electronics, Asia  
135 Joo Seng Rd. #04-01  
PM Industrial Bldg., Singapore 368363  
+800.7339.8766 +65.6383.4400  
FAX +65.6383.4664  
Extron Electronics, Japan  
Kyodo Building, 16 Ichibancho  
Chiyoda-ku, Tokyo 102-0082  
Japan  
+81.3.3511.7655 FAX +81.3.3511.  
© 2008 Extron Electronics. All rights reserved.  
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