Black Box Computer Hardware Black Box MediaCentro IPX User Manual

VX-HDMI-IP-MTX VX-HDMI-IP-UTX VX-HDMI-IP-VTX  
VX-HDMI-IP-MRX VX-HDMI-IP-URX VX-HDMI-IP-VRX  
MediaCentoIPX  
Extend audio and video signals via an existing LAN.  
Distribute HDMI video to an unlimited number of displays using  
IP multicast or make eye-catching video walls of up to 8 x 8 displays.  
Customer  
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S.  
Support  
Information  
call 724-746-5500) • FREE technical support 24 hours a day, 7 days  
a week: Call 724-746-5500 or fax 724-746-0746 • Mailing address:  
Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018  
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FCC RFI Statement  
FEDERAL COMMUNICATIONS COMMISSION AND INDUSTRY  
CANADA RADIO FREQUENCY INTERFERENCE STATEMENTS  
This equipment generates, uses, and can radiate radio-frequency energy, and if  
not installed and used properly, that is, in strict accordance with the manufacturer’s  
instructions, may cause interference to radio communication. It has been tested  
and found to comply with the limits for a Class A computing device in accordance  
with the specifications in Subpart B of Part 15 of FCC rules, which are designed  
to provide reasonable protection against such interference when the equipment  
is operated in a commercial environment. Operation of this equipment in a  
residential area is likely to cause interference, in which case the user at his own  
expense will be required to take whatever measures may be necessary to correct  
the interference.  
Changes or modifications not expressly approved by the party responsible  
for compliance could void the user’s authority to operate the equipment.  
This digital apparatus does not exceed the Class A limits for radio noise emission  
from digital apparatus set out in the Radio Interference Regulation of Industry  
Canada.  
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant  
les limites applicables aux appareils numériques de classe A prescrites dans le  
Règlement sur le brouillage radioélectrique publié par Industrie Canada.  
Normas Oficiales Mexicanas (NOM)Electrical Safety Statement  
INSTRUCCIONES DE SEGURIDAD  
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes  
de que el aparato eléctrico sea operado.  
2. Las instrucciones de seguridad y operación deberán ser guardadas para  
referencia futura.  
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de  
operación deben ser respetadas.  
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NOM Statement  
4. Todas las instrucciones de operación y uso deben ser seguidas.  
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca  
de la tina de baño, lavabo, sótano mojado o cerca de una alberca, etc.  
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que  
sean recomendados por el fabricante.  
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea  
recomendado por el fabricante.  
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá  
a lo descrito en las instrucciones de operación. Todo otro servicio deberá ser  
referido a personal de servicio calificado.  
9. El aparato eléctrico debe ser situado de tal manera que su posición no  
interfiera su uso. La colocación del aparato eléctrico sobre una cama, sofá,  
alfombra o superficie similar puede bloquea la ventilación, no se debe colocar  
en libreros o gabinetes que impidan el flujo de aire por los orificios de  
ventilación.  
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor  
como radiadores, registros de calor, estufas u otros aparatos (incluyendo  
amplificadores) que producen calor.  
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del  
tipo descrito en el instructivo de operación, o como se indique en el aparato.  
12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización  
del equipo no sea eliminada.  
13. Los cables de la fuente de poder deben ser guiados de tal manera que no  
sean pisados ni pellizcados por objetos colocados sobre o contra ellos,  
poniendo particular atención a los contactos y receptáculos donde salen del  
aparato.  
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las  
recomendaciones del fabricante.  
15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas  
de energia.  
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NOM Statement  
16. El cable de corriente deberá ser desconectado del cuando el equipo no sea  
usado por un largo periodo de tiempo.  
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean  
derramados sobre la cubierta u orificios de ventilación.  
18. Servicio por personal calificado deberá ser provisto cuando:  
A: El cable de poder o el contacto ha sido dañado; u  
B: Objectos han caído o líquido ha sido derramado dentro del aparato; o  
C: El aparato ha sido expuesto a la lluvia; o  
D: El aparato parece no operar normalmente o muestra un cambio en su  
desempeño; o  
E: El aparato ha sido tirado o su cubierta ha sido dañada.  
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Table of Contents  
Table of Contents  
1. Specifications ..................................................................................................8  
2. Overview  
...................................................................................................9  
2.1 Introduction............................................................................................9  
2.2 Available Models....................................................................................9  
2.3 Features..................................................................................................9  
2.3.1 Multicast, Unicast, and Video Wall Transmitters  
and Receivers.............................................................................9  
2.3.2 Multicast and Video Wall Transmitter and Receiver  
Functions .................................................................................10  
2.3.3 Video Wall Transmitter and Receiver Exclusive Functions....... 10  
2.4 What’s Included ...................................................................................10  
2.5 Additional Items You Will Need........................................................... 11  
2.6 Hardware Description........................................................................... 11  
2.6.1 Transmitters............................................................................. 11  
2.6.2 Receivers.................................................................................. 14  
2.6.3 Indicators.................................................................................16  
2.6.4 Function Button....................................................................... 17  
2.6.5 EDID Copy ...............................................................................18  
2.6.6 Reset Button............................................................................18  
3. Installation .................................................................................................19  
4. Configuration................................................................................................20  
4.1 Basic Configuration..............................................................................20  
4.2 Advanced Configuration......................................................................20  
4.2.1 Accessing through Serial.........................................................21  
4.2.2 Accessing through Telnet........................................................22  
5. Advanced Commands...................................................................................23  
5.1 Advanced IP Commands ......................................................................25  
5.2 Advanced Multicast IP Configuration ..................................................26  
5.2.1 Transmitter...............................................................................27  
5.2.2 Receiver ...................................................................................27  
5.3 Serial Extension ....................................................................................27  
5.4 Telnet Extension ...................................................................................29  
6
Accessing the Web Interface.........................................................................31  
6.1 Accessing the Transmitter without an IP Address................................31  
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Table of Contents  
6.2 Accessing the Web Interface for a Transmitter  
or Receiver with an IP Address.............................................................33  
7. Video Wall Features ......................................................................................34  
8. Troubleshooting ............................................................................................ 41  
8.1 Problems/Solutions............................................................................... 41  
8.2 Contacting Black Box ........................................................................... 41  
8.3 Shipping and Packaging.......................................................................42  
Appendix: Connector Pinouts...............................................................................43  
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Chapter 1: Specifications  
1. Specifications  
Compliance — FCC, TUV, CE, UL®, CSA, RoHS, WEEE  
Default IP Address — 169.254.x.x (with no DHCP address)  
NOTE: To find the IP address of any receiver, simply connect to monitor and power  
up to get IP address. To find the IP address of any other receiver or  
transmitter, use Telnet to connect to any device in the system and use a  
“node-list” command or connect with the serial interface.  
Efficiency Level — Level IV  
Heat Dissipation — 3.41 BTU/hr.  
HDCP — Supported  
Leads Supported — HDMI video and RS-232  
Maximum Distance from CPU to TX — 16 ft. (5 m), HDMI  
Maximum Distance between TX and RX — 328 ft. (100 m)*  
*NOTE: Use a network switch to get greater distances.  
MTBF — 90,000 hours  
User Controls — (1) Reset button, (1) 16-position rotary selection switch,  
(1) Function button  
Connectors — (1) HDMI female, (1) RJ-45 interconnect/LAN connection,  
(1) 2.1-mm barrel connector for power, (2) RJ-12 6P6C†  
†NOTE: Only 4 center pins are used at this time.  
Indicators — (1) LED for Link and Power; (1) LED for Network activity  
Temperature Tolerance — Operating: 32 to 104° F (0 to 40° C);  
Storage: -4 to +140° F (-20 to +60° C)  
Humidity Tolerance — Operating: 80%, noncondensing  
Maximum Altitude — 10,000 ft. (3048 m)  
Power — Input: 100–240 VAC, 50/60 Hz, 0.6 A;  
Output: 9 VDC;  
Consumption: 13.5 W;  
Power Supply Cord Length: 6 ft. (1.8 m)  
Size — 0.98"H x 3.77"W x 5.11"D (2.5 x 9.6 x 12.9 cm)  
Weight — 1.1 lb. (0.5 kg)  
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Chapter 2: Overview  
2. Overview  
2.1 Introduction  
The HDMI over LAN Extender is a perfect solution for audio and video signal  
extension via an existing Local Area Network (LAN) system. With multicast  
technology, one local unit can drive multiple remote units with no extra network  
load. There are 16 selectable channels that can be used to transmit to multiple  
receivers. In a network that supports IGMP (Layer 2 or Layer 3 switches), each  
channel can connect to 64 displays in video wall applications and unlimited displays  
in a multicast application using a standard IT Ethernet structure on a LAN system.  
The HDMI over LAN Extender supports Full HD 1080p, is HDCP compliant, and is  
Blu-ray ready. It can handle applications that require greater distance, high speed  
transmission, real-time high video resolution, security, and noise immunity. It is ideal  
for situations that need live presentation, such as public broadcasting, education  
centers, boardrooms, etc.  
2.2 Available Models  
Three transmitter/receiver pairs are available, and they are ordered separately by part  
number. Choose from:  
• MediaCento IPX Multicast Transmitter (VX-HDMI-IP-MTX) and MediaCento IPX  
Multicast Receiver (VX-HDMI-IP-MRX)  
• MediaCento IPX Unicast Transmitter (VX-HDMI-IP-UTX) and MediaCento IPX  
Unicast Receiver (VX-HDMI-IP-URX)  
• MediaCento IPX Video Wall Transmitter (VX-HDMI-IP-VTX) and MediaCento IPX  
Video Wall Receiver (VX-HDMI-IP-VRX)  
2.3 Features  
2.3.1 Multicast, Unicast, and Video Wall Transmitters and  
Receivers  
• Extends high definition video signal over LAN (dependent on network  
performance).  
• Choose from 16 selections on the DIP rotary switch for pairing.  
• Provides automatic EDID configuration.  
• Uses well-developed Ethernet technology and TCP/IP communication protocol.  
• Transmitters and Receivers are HDCP-compliant and Blu-ray ready.  
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Chapter 2: Overview  
• HDTV compatible; support 1080p, 1080i, 720p, 720i.  
• Compatible with popular screen resolutions: XGA, SXGA, UXGA, WSXGA.  
2.3.2 Multicast and Video Wall Transmitter and Receiver  
Functions  
• Each transmitter can be multicast to up to 250 displays in multicast applications.  
• Use an IGMP network to prevent network flooding.  
2.3.3 Video Wall Transmitter and Receiver Exclusive Functions  
The Video Wall versions enable video and audio to be sent to 250 outputs via IP.  
While it is possible to send the same video to all outputs, you can format the video  
wall so that separate sections of the video can be sent to different outputs. Basic  
settings allow for bezel compensation and different arrays of screens. Advaned set-  
tings allow for video manipulation to specific outputs.  
2.4 What’s Included  
All units:  
• (1) U.S. power supply  
• (1) U.S. power cord  
• (4) foot pads  
• This user manual  
VX-HDMI-IP-MTX also has:  
• (1) MediaCento IPX Multicast Transmitter  
• (1) DB9 F to RJ-11 adapter  
• (1) RJ-11 to RJ-11 cable  
VX-HDMI-IP-MRX also has:  
• (1) MediaCento IPX Multicast Receiver  
VX-HDMI-IP-UTX also has:  
• (1) MediaCento IPX Unicast Transmitter  
• (1) DB9 F to RJ-11 adapter  
• (1) RJ-11 to RJ-11 cable  
VX-HDMI-IP-URX also has:  
• (1) MediaCento IPX Unicast Receiver  
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Chapter 2: Overview  
VX-HDMI-IP-VTX also has:  
• (1) MediaCento IPX Video Wall Transmitter  
• (1) DB9 F to RJ-11 adapter  
• (1) RJ-11 to RJ-11 cable  
VX-HDMI-IP-VRX also has:  
• (1) MediaCento IPX Video Wall Receiver  
2.5 Additional Items You Will Need  
• HDCP-compliant monitors with HDMI interface for the HDCP video source  
• CAT5/5e/6 UTP cable (EIA/TIA 568B industry-standard compliant)  
• Layer 2 or 3 switches with IGMP or a dedicated network  
2.6 Hardware Description  
NOTE: All six transmitter/receiver models have the same connectors, but with  
different functions.  
2.6.1 Transmitters  
5
1
2
3
4
Figure 2-1. Transmitter front panel.  
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Chapter 2: Overview  
6
7
8
9
Figure 2-2. Transmitter back panel.  
10  
Figure 2-3. Transmitter top panel.  
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Chapter 2: Overview  
Table 2-1. Components of the Transmitters.  
Number Component  
Description  
1
2
Barrel connector for power  
Links to power supply  
Reset button  
RJ-45 jack  
System reset  
Connects to the 10-/100-/  
1000-Mbps network switch  
3
4
5
Video connector  
Connects to the HDMI source  
Flashing: Connected to network  
Goes off once: Abnormal  
Network Status LED  
6
7
Function button  
Rotary switch  
See Section 2.6.4.  
Set up an identical position for all  
units  
8
9
RJ-12 connector  
RJ-12 connector  
Serial port 1: For system control  
Serial port 2: For data transfer  
Green: Power on  
Interlaced flashing Blue + Green:  
Connected to network  
10  
Power/Link LED  
Blue: Connected to receiver  
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Chapter 2: Overview  
2.6.2 Receivers  
5
1
2
3
4
Figure 2-4. Receiver front panel.  
6
7
8
9
Figure 2-5. Receiver back panel.  
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Chapter 2: Overview  
10  
Figure 2-6. Receiver top panel.  
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Chapter 2: Overview  
Table 2-2. Components of the Receivers.  
Number Component  
Description  
1
2
Barrel connector for power  
Links to power supply  
Reset button  
RJ-45 jack  
System reset  
Connects to the 10-/100-/  
1000-Mbps network switch  
3
4
Video connector  
Connects to the HDMI monitor  
Flashing: Connected to network  
Goes off once: Abnormal  
5
Network Status LED  
6
7
Function button  
Rotary switch  
See Section 2.6.4.  
Set up an identical position for all  
units  
8
9
RJ-12 connector  
RJ-12 connector  
Serial port 1: For system control  
Serial port 2: For data transfer  
Red: Power on  
Interlaced flashing Blue + Red:  
Connected to network  
Blue: Connected to transmitter  
10  
Power/Link LED  
2.6.3 Indicators  
The LEDs on the extender units show the real-time status indicating the linking and  
communication between the Transmitter/Sender unit and the Receiver unit. Users  
can identify the current status through the LED indicators on the unit.  
The quality of the output signal will depend largely upon the quality of the video  
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Chapter 2: Overview  
source, cable, and display device used. Low-quality cables degrade output signals,  
causing elevated noise levels. Use the proper cable and make sure the display device  
can handle the resolution and refresh rate selected.  
NOTE: The system will disable the video output signal when it detects non-HDCP-  
compliant display(s) trying to play on the HDCP video source. All the  
connected output displays MUST be HDCP compliant when the video source  
is HDCP compliant.  
2.6.4 Function Button  
The Function button on the extender units operates as described in Table 2-3.  
Table 2-3. Function button.  
Action  
Description  
Toggle between graphics and  
video mode.  
Press for 1 second.  
1. Press and hold the Function button.  
2. Apply power to the receiver unit.  
EDID copy (Receiver unit only!)  
3. Release right after the Network  
Status LED starts blinking.  
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Chapter 2: Overview  
2.6.5 EDID Copy  
Copying the EDID will enable the receiver to send correct resolutions to your output.  
Although the default EDID will work in most cases, some monitors will not work  
with it.  
NOTE: EDID copy is required for DVI monitors.  
To copy the EDID:  
1. To copy EDID from a specific receiver to a specific transmitter, both receiver and  
transmitter must be configured to the same channel.  
2. Hold down the function button on the receiver and plug in the power.  
3. Continue to hold down the function button until the network LED starts blinking.  
EDID is now copied to the receiver.  
2.6.6 Reset Button  
To reset the system, press the “Reset” button once. The system will start to reset  
after a short press on the reset button.  
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Chapter 3: Installation  
3. Installation  
WARNINGS:  
Make sure that all devices are powered off before connecting to the unit.  
Make sure all devices you will connect are properly grounded.  
Place cables away from fluorescent lights, air conditioners, and machines.  
NOTE: EDID copy is required for DVI monitors.  
Installing the Transmitter and Receiver  
1. Connect a video source (PC, Blu-ray, etc.) to the Transmitter/Sender Unit.  
2. Connect the monitor to the Receiver Unit with an HDMI cable.  
NOTE: IF the source has HDCP, the monitor must support HDCP.  
3. Connect transmitter and receivers to the desired network with a Layer 2/3 IGMP  
switch using CATx cables.  
4. Set matching TX/RX to the same rotary position (see Section 4.1, Basic  
Configuration).  
5. Apply the proper power to all connecting devices.  
6. Monitors connected to receiver units will show IP address before connecting.  
NOTE: Figure 3-1 shows this installation.  
RX  
RX  
RX  
TX  
Monitor  
DVD  
player  
RX  
RX  
Layer 2/3  
switch  
with  
TX  
TX  
Monitor  
Monitor  
Blu-ray  
IGMP  
RX  
RX  
PC  
Monitor  
Monitor  
Figure 3-1. Installation diagram.  
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Chapter 4: Configuration  
4. Configuration  
4.1 Basic Configuration  
The rotary switch on each device decides the channel of the device when booting.  
For a receiver or receivers to connect to a transmitter, they must be on the same  
channel. Each transmitter should be on a separate switch setting and the receivers  
should be on the same switch setting as the desired transmitter. After you change  
the switch setting, you must reboot the device for the changes to take effect.  
4.2 Advanced Configuration  
Advanced configuration is not needed but is available.  
You can access devices through the serial interface or Telnet for advanced  
configuration of network settings.  
A serial/Telnet client is needed.  
To see the IP address of a receiver:  
Connect a receiver to a monitor and power on. Device information, including the IP  
address, will be in the lower right corner. Reset the receiver if needed. If the receiver  
is set to DHCP IP mode, a network connection is required.  
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Chapter 4: Configuration  
4.2.1 Accessing through Serial  
1. Using the client, select “serial” and enter “115200” for the speed (baud rate).  
Figure 4-1. PuTTY configuration screen using serial.  
2. No username or password is required. Just press enter.  
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Chapter 4: Configuration  
4.2.2 Accessing through Telnet  
1. Using the client, enter in the IP address of the device.  
2. Change the port to 24.  
Figure 4-2. PuTTY configuration screen using Telnet.  
3. The default password is root.  
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Chapter 5: Advanced Commands  
5. Advanced Commands  
These are advanced configurations and require knowledge of IP networking  
protocols and multicasting. Do not attempt to run any commands, modify files, or  
change any other settings apart from the specific configurations noted here.  
All commands are case-sensitive.  
To list names and IP information of all connected MediaCento IPX devices, type in:  
node_list  
Figure 5-1. Names and IP information list.  
To view all current configured parameters, type in:  
astparam dump  
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Chapter 5: Advanced Commands  
Figure 5-2. Current configured parameters list.  
To reset to factory default, setting the IP mode to autoip and removing any  
overrides, type in:  
reset_to_default.sh  
To change the baud rate of the serial extension interface, type in:  
stty X –F /dev/ttyS0  
(replace X with desired baud rate)  
To disable/enable the link for a specific device, type in:  
ast_send_event -1 e_stop_link  
ast_send_event -1 e_reconnect  
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Chapter 5: Advanced Commands  
5.1 Advanced IP Commands  
Each device has three possible modes of establishing an IP address: autoip, dhcp,  
and static.  
1. AutoIP is the default mode and it will always automatically assign available IP  
addresses in the private IP domain 169.254.xxx.xxx  
NOTE: The MediaCento IPX uses the Avahi zeroconf protocol to find an available IP  
in the 169.254.xxx.xxx range.  
2. DHCP client gets an address from the local DHCP server.  
CAUTION: Make sure a DHCP client is connected or problems will occur.  
3. Static allows you to manually change the IP address and netmask of the device.  
This requires further input before reboot.  
To change the IP mode, type in:  
astparam s ip_mode <mode>  
astparam save  
(where <mode> is autoip, dhcp, or static)  
(saves changes)  
reboot  
(reboots the device)  
If static is selected, the following commands are needed before reboot. Type in:  
astparam s ipaddr xxx.xxx.xxx.xxx (enter IP address for x’s)  
astparam s netmask xxx.xxx.xxx.xxx (enter netmast for x’s)  
astparam save  
reboot  
(saves changes)  
Figure 5-3. COM1 PuTTY screen.  
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Chapter 5: Advanced Commands  
5.2 Advanced Multicast IP Configuration  
Predefined multicast addresses can be selected by using the rotary switch buttons  
on the devices (recommended). See Table 5-1 for listing of channels:  
Table 5-1. Channel listing for multicast address.  
Channel  
Multicast Address  
IDs  
B0 B1 B2 B3 ID  
225.0.  
0.  
0
0
0
0
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
225.0.  
1.  
0.  
1.  
0.  
1.  
0.  
1.  
0.  
1.  
0.  
1.  
0.  
1.  
0.  
1.  
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
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Chapter 5: Advanced Commands  
To override the DIP rotary switch, use the commands shown on the next page for  
each device:  
NOTE: B0, B1, B2, and B3 refer to the values in Table 5-1.  
5.2.1 Transmitter  
To change the multicast group IP, type in:  
astparam s multicast_ip 225.0.B0.B1B2B3  
To change the hostname ID of the transmitter, type in:  
astparam s hostname_id B0B1B2B3  
ast_send_event -1 e_chg_hostname  
To override DIP rotary switch setting on bootup:  
astparam s reset_ch_on_boot n  
astparam save  
(space between boot and the n)  
reboot  
5.2.2 Receiver  
To change the multicast group IP, type in:  
astparam s multicast_ip 225.0.B0.B1B2B3  
To change the transmitter channel read:  
astparam s ch_select B0B1B2B3  
To override DIP rotary switch setting on bootup, type in:  
astparam s reset_ch_on_boot n  
astparam save  
(space between boot and the n)  
reboot  
5.3 Serial Extension  
Serial extension can be done from one transmitter to all receivers linked. Telnet serial  
extension is also available as a replacement of serial. Serial extension information:  
Default baud rate: 9600  
Data bits: 8  
(unless changed manually)  
Parity: Even  
Stop bits: 1  
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Chapter 5: Advanced Commands  
Flow control: None  
NOTE: This is a two-way communication. The transmitter will receive any data sent  
from the serial devices connected to the receivers.  
Figure 5-4. Options controlling local serial lines.  
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Chapter 5: Advanced Commands  
For both transmitter and receiver units, the added RJ-11 to DB9 serial cable needs to  
be connected to the second serial port on the devices.  
5.4 Telnet Extension  
Telnet serial extension allows for serial output from a receiver through a Telnet  
connection. This disables serial input coming from a transmitter but allows for 2-way  
communication to specific devices.  
NOTE: Telnet extension requires custom firmware. For details, contact Black Box  
Technical Support at 724-746-5500 or [email protected].  
To set up a Telnet extension:  
1. Using a Telnet protocol, use Port 6752.  
Figure 5-5. Setting up Telnet extension using a Telnet protocol.  
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Chapter 5: Advanced Commands  
2. Turn off line echo and local line editing.  
Figure 5-6. Turning off line echo and local line editing.  
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Chapter 6: Accessing the Web Interface  
6. Accessing the Web Interface  
The Web interface can be used to view information about the device, upload a  
firmware file to the device, and for video wall transformers configuration. The Web  
interface will not give network information or screen previews.  
6.1 Accessing the Transmitter without an IP Address  
You can access the transmitter directly with a serial connection, and find the IP  
address using the “node-list” command. See Chapter 5. To connect without an IP  
address or serial connection, access the Web interface.  
Bonjour® is needed to access the Web interface. Apple® products usually have this  
installed. If needed, you can download the free version from  
1. Run Bonjour.  
2. Configure the control PC’s network setting as 169.254.xxx.xxx IP domain with  
netmask 255.255.0.0. Default gateway and DNS can be left blank. For Windows®  
four digits after ast-gateway depend on the position of the Rotary Switch you’ve  
set. Please refer to Table 6-1. For example, if the position is set up as 7, then the  
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Chapter 6: Accessing the Web Interface  
Table 6-1. Rotary Switch position settngs.  
Four-digit  
setting  
Four-digit  
Position setting  
Position  
0
0000  
1000  
8
9
0001  
1001  
1
2
3
4
5
6
7
0100  
1100  
0010  
1010  
0110  
1110  
A
B
C
D
E
0101  
1101  
0011  
1011  
0111  
1111  
F
Figure 6-1. Setup screen (without IP address).  
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Chapter 6: Accessing the Web Interface  
6.2 Accessing the Web Interface for a Transmitter or Receiver  
with an IP Address  
1. Configure the control PC’s network setting as 169.254.xxx.xxx IP domain with  
netmask 255.255.0.0. Default gateway and DNS can be left blank. For Windows  
2. Open a Web browser and insert the IP address of the device.  
Figure 6-2. Web setup screen (with IP address).  
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Chapter 7: Video Wall Features  
7. Video Wall Features  
Using the Video Wall features, you can send video and audio to 250 ouputs through  
IP. Format the video wall so that separate sections of the video can be sent to differ-  
ent outputs. Basic settiings allow for bezel compensation and different arrays of  
screens. Advanced settings allow for video manipulation to specific outputs. Figure  
7-1 shows a typical application:  
MediaCentoIPX  
Multicast Transmitter  
(VX-HDMI-IP-MTX)  
MediaCentoIPX  
Multicast Receivers  
(VX-HDMI-IP-MRX)  
Digital displays  
HDMI cables  
Layer 3 switch  
with IGMP  
HDMI cable  
CATx cable  
CATx cables  
IP  
Layer 3 switch  
with IGMP  
PC  
Figure 7-1. Sample installation.  
Video Wall Setup  
Figure 7-2 shows the Basic Setup screen for the VX-HDMI-IP-VTX and VRX. Table  
7-1 describes its components.  
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Chapter 7: Video Wall Features  
Figure 7-2. Basic Setup screen.  
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Chapter 7: Video Wall Features  
Table 7-1. Basic Setup screen components.  
Description  
Component  
Bezel and Gap  
Compensation  
Dimensions of screen (inside and outside width and  
height).  
Wall Size and Position  
Layout  
Select number of vertical and/or horizontal  
monitors, row position, and column position.  
Apply To: “All”  
device(s) in the list  
Click on the “Apply” button to apply settings.  
Check this box to output each receiver’s specific  
number to the connected monitor.  
Show OSD checkbox  
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Chapter 7: Video Wall Features  
Figure 7-3 shows the Advanced Setup screen. Table 7-2 describes its components.  
Figure 7-3. Advanced Setup screen.  
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Chapter 7: Video Wall Features  
Table 7-2. Advanced Setup screen components.  
Description  
Step 1: Choose control Click on the arrows and buttons to select a control  
Component  
target  
target.  
Check this box to output each receiver’s specific  
number to the connected monitor.  
Show OSD checkbox  
Step 2: Control options  
Reset to Basic Setup,  
Single Host Mode  
checkbox  
Check this box, then press the “Reset” button..  
Select the number of rows and columns from the  
drop-down menu, then click on the “Apply”  
button.  
Screen Layout  
(Row x Column)  
Select the row from the drop-down menu, then  
click on the “Apply” button.  
Row Position  
Select the column from the drop-down menu,  
then click on the “Apply” button.  
Column Position  
Horizontal Shift  
(N*8 pixels)  
Use to shift video output horizontally, then click on  
the “Apply” button.  
Vertical Shift  
(HOST: N pixels  
CLIENT: N*8 pixels)  
Use to shift video output vertically, then click on  
the “Apply” button.  
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Chapter 7: Video Wall Features  
Figure 7-4 shows the Advanced Commands screen. Table 7-3 describes its  
components.  
Figure 7-4. Advanced Commands screen.  
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Chapter 7: Video Wall Features  
Table 7-3. Advanced Commands screen components.  
Component Description  
Screen Layout  
(Row x Column)  
Select the number of rows and columns from the  
drop-down menu, then click on the “Apply” button.  
Select the row from the drop-down menu, then click  
on the “Apply” button.  
Row Position  
Select the column from the drop-down menu, then  
click on the “Apply” button.  
Column Position  
Horizontal Shift  
(N*8 pixels)  
Use to shift video output horizontally, then click on  
the “Apply” button.  
Vertical Shift  
(HOST: N pixels  
CLIENT: N*8 pixels)  
Use to shift video output vertically, then click on the  
Apply” button.  
Horizontal Scale  
Up (N pixels/  
column_count)  
Use to scale video output horizontally, then click on  
the “Apply” button.  
Vertical Scale Up  
(N pixels/  
column_count)  
Use to scale video output vertically, then click on the  
Apply” button.  
Use to compensate for screen tearing, then click on  
the “Apply” button.  
Tearing Delay (µs)  
Console API  
Command  
Type in the Console API Command, then click on the  
Apply” button.  
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Chapter 8: Troubleshooting  
8. Troubleshooting  
8.1 Problem/Solutions  
Problem: No video on monitor at bootup.  
Solutions:  
1. Check the device power using the Link/Power LED.  
2. Check the network connection using the Network LED.  
3. Check the video connection using the Link/Power LED.  
4. Make sure that the DIP rotary switch is set to the correct ID.  
NOTE: If manually changed, make sure the IDs match.  
5. If you’re using a mix of multicast and unicast units, make sure they match up  
correctly.  
6. Set your display device’s (TV, monitor, etc.) input source as HDMI.  
7. Check the PC BIOS configuration for the video output setting.  
8. Connect your computer to the HDMI Display DIRECTLY to check if the video  
signal gets through.  
9. Make sure the DVI monitor is using the correct EDID. See Section 2.6.5 for details.  
8.2 Contacting Black Box  
If you determine that your MediaCento IP is malfunctioning, do not attempt to alter  
or repair the unit. It contains no user-serviceable parts. Contact Black Box Technical  
Support at 724-746-5500 or [email protected].  
Before you do, make a record of the history of the problem. We will be able to  
provide more efficient and accurate assistance if you have a complete description,  
including:  
• the nature and duration of the problem.  
• when the problem occurs.  
• the components involved in the problem.  
• any particular application that, when used, appears to create the problem or make  
it worse.  
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Chapter 8: Troubleshooting  
8.3 Shipping and Packaging  
If you need to transport or ship your MediaCento IP:  
• Package it carefully. We recommend that you use the original container.  
• If you are returning the unit, make sure you include everything you received with  
it. Before you ship for return or repair, contact Black Box to get a Return  
Authorization (RA) number.  
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Appendix: Connector Pinouts  
Appendix. Connector Pinouts  
Figure A-1 shows the DB9 to RJ-12 or RJ-11 connector pinouts.  
Figure A-1. DB9 to RJ-12 6P6C or RJ-11 (4P4C) cable pinout.  
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Black Box Tech Support: FREE! Live. 24/7.  
Tech support the  
way it should be.  
Great tech support is just 30 seconds away  
at 724-746-5500 or blackbox.com.  
About Black Box  
Black Box provides an extensive range of networking and infrastructure products.  
You’ll find everything from cabinets and racks and power and surge protection  
products to media converters and Ethernet switches all supported by free, live 24/7  
Tech Support available in 30 seconds or less.  
© Copyright 2012. Black Box Corporation. All rights reserved..  
VX-HDMI-IP-MTX version 2  
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