IN3264 / IN3268
HIGH RESOLUTION, VGA DISTRIBUTION AMPLIFIERS
1-IN, 4-OUT / 1-IN, 8-OUT
IN3264/68
OPERATION MANUAL
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1
Product Overview
The IN3264 / IN3268 is a high-resolution dedicated VGA distribution amplifier designed to amplify
and split the VGA / SVGA / XGA signal from a single computer video card to four or eight data grade
displays such as data monitors, LCD projectors, presentation monitors, graphics projectors or other output
devices. The IN3264 / IN3268 features 15-Pin HD connectors for input and outputs, allowing for direct
connection to VGA-type video sources and displays using high-resolution coaxial VGA extension cables
such as the IN8000 series.
The units are identical except for the number of outputs and the number of sharpness controls:
The IN3264 has four buffered outputs and one sharpness control.
The IN3268 has eight buffered outputs and two sharpness controls.
FEATURES
Universal VGA Signal Compatibility - While the IN3264 / IN3268 is primarily designed for VGA-
type video cards and monitors, this distribution amplifier’s six discreet amplification paths make it capable
of amplifying analog video signals in a variety of sync formats including RGBHV, RGBS, RGsB, and
RGBHVS. The IN3264 / IN3268 can connect to MAC, SUN, SGI and other high-resolution workstations
and monitors by using input and output adapter cables (see list on page 7).
Ultra High-resolution Amplification - Featuring 300 MHz video bandwidth and four or eight
buffered outputs, the IN3264 / IN3268 provides excellent video performance, ensuring maximum image
clarity with VGA-type and other analog video signals at virtually any resolution.
Sync Format / Polarity Preservation - Some display devices depend on receiving VGA, MAC, SUN,
SGI and other signals in their original sync format with unchanged sync polarity to ensure proper
operation. The IN3264 / IN3268 output signals have the same sync format and polarity as the input signal,
ensuring excellent operation with a wide range of compatible CRT, LCD, DMD, and Plasma Data Display
devices.
Buffered Outputs - The IN3264 / IN3268 features four or eight buffered outputs and provides the
amplification necessary to extend data displays 100 feet or greater from the source computer when used
with high-resolution coaxial cables. Maximum drive distance is dependent on both the input signal
resolution and the quality of the output cables. The IN8000 Series VGA extension cables (available in
various lengths from 6’ to 100’) are specifically designed for this purpose.
A Sharpness Control provides effective image enhancement for high-resolution video signals by
increasing clarity and edge detail. Monitor Emulation Dip Switches located on the bottom of the units
engage emulation for a VGA color monitor or MAC 13" / 14" RGB monitor. Two IN3264 or IN3268
amplifiers may be rack mounted side-by-side in a 1U rack space using the optional IN9080 rack shelf.
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IN3264 / IN3268 OPERATION MANUAL - REV 1.3 01/04/01
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INPUT / OUTPUT COMPATIBILITY
VGA / SVGA / XGA Compatibility - The unit features 15-pin HD VGA-type connectors for input
and outputs. The units will directly connect to VGA video cards and display devices using the IN8000
Series of VGA extension cables, available in a variety of lengths from 3’to 100’. Longer lengths are
available by custom order.
MAC / SUN / SGI / Workstation Compatibility - While the IN3264 / IN3268 is primarily designed
for VGA-type video cards and monitors, this distribution amplifier actually has 6 discrete amplification
paths and is capable of amplifying analog video signals in a variety of sync formats including RGBHV,
RGBS, RGsB, and RGBHVS. The IN3264 / IN3268 can connect to MAC, SUN, SGI and other high-
resolution workstations and monitors by using input and output adapter cables (see list on page 7).
VGA, SVGA, XGA, SUN, SGI and other workstation video cards operate in
several different modes encompassing a wide range of resolutions and
horizontal and vertical scan rates. The IN3264 / IN3268 is not a scan
converter and the display devices attached to the outputs must be compatible
with the resolution, horizontal scan rate and vertical refresh rate output of
computer video card. Please check the documentation for both the computer
video card and the data projection device in order to ensure compatibility.
Installation
This section offers step-by-step instructions for installing the IN3264 / IN3268.
1. Turn the computer and computer monitor off. Disconnect the computer monitor (if present) from the
video output port on the computer.
2. Connect an input cable between the computer video port and the IN3264 / IN3268 input using the
appropriate cable as indicated in the chart on Page 7.
3. Connect the local computer monitor (if present) to Output #1 on the IN3264 / IN3268 distribution
amplifier. VGA local monitors can be connected directly to the output. Other types of local monitors
are connected using the appropriate adapter / extension output as indicated in the chart on Page 7. If no
local monitor is connected to Output #1, you can emulate a VGA color monitor / MAC 13" RGB
monitor using the dip switch located on the bottom of the unit.
4. Connect output devices (monitors, data projectors, etc.) to the other IN3264 / IN3268 output
connectors. Devices may be connected directly to the outputs, or you may use the appropriate adapter
/ extension output cables as indicated in the chart on Page 7. For best results, high-resolution coaxial
cables are recommended for all output connections. Note: All unused outputs are self-terminating and
do not require a termination plug.
IN3264 / IN3268 OPERATION MANUAL - REV. 1.3 01/04/01
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5. Connect the round connector on the power supply to the POWER input jack (located on the back panel
of the distribution amp, immediately adjacent to Output 4.) Connect the power adapter box side of the
power supply to the A/C power source.
6. Complete the installation by turning on the computer, local monitor and remote data monitors.
Default Settings
Among the many features of the IN3264 and IN3268 Distribution Amplifiers is the ability to not only
have 1 x 4 or 1 x 8 configurations (respectively), but, by unterminating the input impedance, users can add
a loop-out to other DAs as well. This effectively converts the IN3264 into a 1 x 5 DA, and the IN3268 into
a 1 x 9.
The IN3264 is equipped with three sets of jumper pins per color (three for red, three for blue and three
for green) for a total of 9 individual jumpers (see Diagram 1-1). Each one has a specific purpose. The
factory default setup has all jumper pins closed except for J9, J11 and J13. These jumper pins are there to
be used in the event that another board is added, converting the DA into a 1 x 8, resulting in the IN3268.
These pins should remain open at all times.
DIAGRAM 1-1
IN3264 BOARD DEFAULT
LED
COIL
J8
J2
J9
J10
J12
J3
J11
J4
J13
H-POT
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IN3264 / IN3268 OPERATION MANUAL - REV 1.3 01/04/01
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Opening the J2, J3 and J4 pins will remove the 75 ohm termination for each color. This setting allows
users to connect a cable such as the IN9041 to the input and utilize a local monitor. Please note that if
there is no local monitor and the jumper pins are set to this position, there will be unnecessary “blooming”
or overdriving of the other four outputs.
The input jumper pins (J8, J10 and J12) must be closed at all times. If any of these jumpers are open
there will be no output because the pins are directly connected to the 15-pin input connectors (jumper pins
J8, J10 and J12 are used to interface the top and bottom boards of the IN3268 and should not be adjusted).
The factory default setting has them all closed. This allows the signal to be processed into the DA and
result in the proper 1 x 4 operation.
The IN3268 is very similar in operation and configuration to the IN3264. This unit has the same type of
board for the other four outputs, but the jumper pins on the top and the bottom boards of the IN3268 have
different configurations.
The bottom board should have all of the jumper pins closed except J2, J3 and J4, which remove the
termination and allow the top board to disengage the input. To place the proper 75 ohm termination to the
input, J2, J3 and J4 on the top board must be closed as well. The configuration of the top board is a little
different because there are only two sets of jumpers per color (see Diagram 2-1).
DIAGRAM 2-1
IN3268 TOP BOARD DEFAULT
LED
COIL
J2
J9
J3
J11
J4
J13
H-POT
IN3264 / IN3268 OPERATION MANUAL - REV. 1.3 01/04/01
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IN3268 BOTTOM BOARD DEFAULT
LED
COIL
J8
J2
J9
J10
J12
J3
J11
J4
J13
To allow a loop-output, the J2, J3 and J4 pins must be open on both the top and the bottom boards. Again,
the outputs will be overdriven if there is no local monitor connected to the input when the termination is
disabled. This may cause serious problems to the display device.
Warning: Jumpers should only be adjusted by qualified technicians! An
improper setting may lead to incorrect operation and could even result in
severe damage to the computer video port or the monitor.
©1999 - INLINE, INC.
IN3264 / IN3268 OPERATION MANUAL - REV 1.3 01/04/01
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6
Specifications
IN3264
IN3268
VGA Distribution Amplifier
VGA Distribution Amplifier
Input
Connector Type
(1) 15-pin HD male connector
Analog video
(1) 15-pin HD male connector
Analog video
RGB Signals
1.5V p-p max.
1.5V p-p max.
75 ohm impedance
75 ohm impedance
Sync Signals
TTL
TTL
Compatible Formats
Horizontal Sync Range
Vertical Sync Range
RGBHV, RGBS, RGsB, RGBHVS
15 to 130 KHz
RGBHV, RGBS, RGsB, RGBHVS
15 to 130 KHz
30 to 120 Hz
30 to 120 Hz
Outputs
Connector Type
RGB Signals
Gain
(4) 15-pin HD female connector
Analog video
(8) 15-pin HD female connector
Analog video
1.0 (unity)
1.0 (unity)
Bandwidth
>300 MHz @ -3dB with .7 volt input signal
TTL sync, both units pass sync in the same format
as the input signal with sync polarities preserved
Internal jumpers set to input termination:
Jumpers closed (default): 75 ohm termination
Jumpers open - High Z
Sync Signals
Internal Jumpers
Dimensions
Size
Shipping Weight
Height: 1.65” / 4.2 cm Width: 8.5” / 21.6 cm Depth: 6” / 15.2 cm
4 lbs. / 2 kg.
Power
IN9205: 9VDC; 1A
IN9213: 9VDC; 1.5 A 120VAC / 60 Hz
IN9222: 9VDC; 1.5 A 100-250 VAC;
47-63 Hz
Regulatory Compliance
UL 1950, 3rd Ed.; CE: EN60950-92
Safety / EMI
CAN/CSA-22.2 No. 950 3rd Ed. FCC class A: CE: EN50081-1
EN55022, EN55082-1
Parts & Accessories Included
IN9205 - 9VDC; 1A Power Supply
Operation Manual
IN9213 - 9VDC; 1.5A Power Supply or
IN9222 - 9VDC; 1.5A Universal Power
supply
Operation Manual
IN3264 / IN3268 OPERATION MANUAL - REV. 1.3 01/04/01
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Optional Accessories
IN9210 Rack Mountable Power Supply - Provides power for up to five 9VDC /
12VDC devices
Power Accessories
IN8500 Bulk Power Cable for IN9210: 18 gauge, 2-conductor power cable,
bulk
IN8512P Connects IN9210 to IN3264 / IN3268 - (1) 2-pin Phoenix connector
& (1) round power connector, 12” long
IN9080 Rack Shelf - Mounts two units side-by-side in a 1U rack space
IN9088 Blank Panel - Fills space on Rack Shelf when using only one IN3264 /
IN3268
Rack Mounting
Equipment
INPUT / OUTPUT ADAPTER AND EXTENSION CABLES
VGA
Input Cables 6’ Long IN8006
12’ Long IN8012
MAC
IN9140
SUN (13W3-RGBS) SGI (13W3RGsB) 5-BNC(RGBHV/RGBS/RGsB)
IN9142
IN9146
IN9143
IN9148
IN9150
IN9149
IN9048
IN9046
IN9046-L25
IN9046-Lxx
25’ Long IN8025
IN9144
IN9141
50' to 250' IN8000 Series
Output Cables 3' Long N/A
6’ Long IN8006
IN9047
12’ Long IN8012
IN9045
25’ Long IN8025
50' to 250' IN8000 Series
IN9145
IN9147
IN9156
IN9045-L25
IN9045-Lxx
To provide maximum flexibility, the input and output cables listed above can be used as adapter and
extension cables with a variety of INLINE products as indicated below:
Distribution Amplifiers:
IN3262D / IN3262DS / IN3264 / IN3268 – Used as Input / Output Cables
Video Interfaces:
IN2100 / IN2110 / IN2111 / IN2111F / IN2112 / IN2114 / IN2200 – Used as Input / Output
Monitor Cables. Please note that the IN9046 / IN9045 5-BNC input cables may only be used for RGBHV
input signals with these interfaces. RGBS signals require an IN9100 cable.
ADDITIONAL VGA STEREO AND AUDIO DISTRIBUTION AMPLIFIER MODELS
IN3262D - 1 x 2 High-resolution VGA amplifier with detachable input cable
IN3262DS - 1 x 2 High-resolution VGA and stereo audio distribution amplifier with detachable input cable
IN3262 - 1 x 2 High-resolution VGA distribution amplifier with attached 6’ input cable
IN3262S - 1 x 2 High-resolution VGA stereo and audio distribution amplifier with attached 6’ input cable
IN3248 - 1 x 8 Stereo audio distribution amplifier for unbalanced or balanced signals - Phoenix connectors
IN3248R - 1 x 8 Stereo audio distribution amplifier for unbalanced signals - RCA connectors
©1999 - INLINE, INC.
IN3264 / IN3268 OPERATION MANUAL - REV 1.3 01/04/01
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Troubleshooting
The display device connected to the IN3264 / IN3268 output has a bad / scrambled image.
Solution 1: The display device connected to the output of the distribution amplifier may not be compatible
with the computer output. Many older LCD and Data Display units will not present signals
at resolutions higher than 640 x 480 or 800 x 600, or horizontal scan rates above 36 KHz or
48KHz. Make sure you know what resolution mode the computer video card is set to output.
While basic 640 x 480 VGA at 60 Hz refresh rate runs at 31.5 KHz, SVGA modes can be as
high as 48 - 58 KHz with the highest resolution settings such as 1600 x 1200 running at 80
KHz or higher depending on the refresh rate setting. Sun and SGI computers usually operate at
61KHz, 64KHz, or 71KHz at resolutions as high as 1280 x 1024.
Solution 2: The output cable may have a bad sync line. Try another cable.
The output image is missing a color.
Solution: The output cable may be bad. Check both ends of the cord to see if any of the pins are bent or
missing. Also inspect the cable to see if the coax may have been pinched or severed internally.
Try another cable.
The output image of the IN3264 / IN3268 is visible but has poor quality / low definition.
Solution: The output cables may be too long or of poor quality. INLINE offers several high-resolution
mini-coax cables for analog signals and a series of shielded twisted pair cables designed
specifically for digital video signal transmission. See page 7 for specific recommendations.
The unit doesn’t output any signal and the power light is not turning on.
Solution: The power adapter may have failed. It should feel warm to the touch after it has been plugged
in for a few minutes. If the adapter feels cool, replace it.
IN3264 / IN3268 OPERATION MANUAL - REV. 1.3 01/04/01
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Warranty
•
•
INLINE warrants the equipment it manufactures to be free from defects in materials and workmanship.
If equipment fails because of such defects and INLINE is notified within two (2) years from the date of
shipment, INLINE will, at its option, repair or replace the equipment at its plant, provided that the
equipment has not been subjected to mechanical, electrical, or other abuse or modifications.
•
•
Equipment that fails under conditions other than those covered will be repaired at the current price of
parts and labor in effect at the time of repair. Such repairs are warranted for ninety (90) days from the
day of re-shipment to the Buyer.
This warranty is in lieu of all other warranties expressed or implied, including without
limitation, any implied warranty or merchantability or fitness for any particular purpose, all of
which are expressly disclaimed.
The information in this manual has been carefully checked and is believed to be accurate. However,
INLINE, Inc. assumes no responsibility for any inaccuracies that may be contained in this manual. In no event will
INLINE, Inc. be liable for direct, indirect, special, incidental, or consequential damages resulting from any defect
or omission in this manual, even if advised of the possibility of such damages. The technical information contained
herein regarding IN3264 / IN3268 features and specifications is subject to change without notice.
Apple, Mac and Macintosh are registered trademarks of Apple Computer, Inc. Sun, Sun Microsystems, and the
Sun Logo are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other
countries. SGI is a trademark of Silicon Graphics, Inc. All other trademarks and registered trademarks are the
property of their respective companies.
© Copyright 1999 INLINE, Inc. All Rights Reserved.
♦
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INLINE, INC.
800-882-7117
22860 SAVI RANCH PARKWAY
YORBA LINDA, CA 92887
♦
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♦
714-921-4100
FAX 714-921-4160
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