CRemote
Transmit (Tx)
Receive (Rx)
Ground (G)
Tx Rx G |
Figure 5. RS-232 Input Wiring
The protocol for the
DCOM switcher port — Connect an Extron switcher to this female captive screw
connector as shown below. Only connect the Tx and G pins of the CTR 8.
CTR 8 | Switcher |
COM | REMOTE |
Tx G | Tx Rx G |
Transmit (Tx)
Ground (G)
Figure 6. COM Input Wiring
The protocol for the COM port is 9600 (default), 19200, 38400, or 57600 baud; 8 data bits, 1 stop bit, no parity.
Application Diagrams
Application with “Show Me” Cables
Contact Closure and Tally
Power
Supply
Extron
CTR 8
Eight Input Contact
Closure to RS-232
Control Module
POWER OUT |
| CONTA | CT IN / TA | LLY OUT |
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| COM |
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1.0A |
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MAX |
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12V | C G 1 T +V C G 2 T +V C G 3 T +V C G 4 T +V |
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POWER IN | 5 | 6 | 7 | 8 |
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1.0A |
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MAX |
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| C G T +V C G T +V C G T +V C G T +V |
| Tx Rx G |
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| INPUTS |
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| AUDIO INPUTS |
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1 |
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| 5 |
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| L | 1 | R | L | 3 | R | L | 5 | R |
| 1 | 1 | 2 |
| LAN | IN1606 |
| 2 | 4 | HDMI | 6 | HDMI |
| B | HDMI |
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| +48V | MIC/LINE | LVARIABLER |
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| L | 2 | R | L | 4 | R | L | 6 | R | 2 | RESET | ||||||||||||
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| +48V |
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| Scaling Presentation |
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| Tx Rx G | Switcher |
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HDMI Video and
Embedded Audio
Ethernet
TCP/IP
Network
Contact Closure and Tally
VGA/HDMI “Show Me” Cables
Flat Panel Display
Ethernet
Extron
IPL 250
IP Link Control
Processor
|
| COM1 | COM 2 |
| IR |
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| RELAY | |
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| Tx Rx | RTS CTS | Tx Rx | 1 | 2 | 1 | 2 | |
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POWER | LAN |
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12V |
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500mA |
| INPUT | COM 3 |
| IR |
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| RELAY | |
MAX | 1 2 | 3 4 | Tx Rx | 3 | 4 | 3 | 4 | ||
S G S G |
CTR 8 • Panels and Cabling | 4 |