TANDBERG C90 System Integrator Manual page 37

Codec C90
Contents Introduction Getting Started
Contents Introduction Getting started
Connecting to the codec,
Hardware & Cabling (RS-232)
The pin outs for the RS-232 are defined in the tables to the right.
Observe that the DTE (Data Terminal Equipment), could be a PC or
any other device capable of serial communication.
Cable. A straight-through cable should be used between the
TANDBERG RS-232 port and the DTE. The lower table shows the
recommended cable-wiring scheme when connecting the TANDBERG
Codec C90 to a PC through RS-232.
DTR and RTS are ignored. DSR, CD, and CTS are always asserted,
while RI is not used.
Troubleshooting (RS-232)
If communication cannot be established between the PC/terminal and
the TANDBERG Codec data port, the following should be checked:
1. Verify that the serial cable is a straight-through 9-pin to 9-pin
cable.
2. Confirm that the configuration of the PC/terminal's serial RS-232
port is identical to the configuration of the TANDBERG RS-232
port.
3. Verify that the PC/terminal's serial RS-232 port is working properly
by connecting it back-to-back to another PC/terminal and send
characters in both directions.
D14128.03—JULY 2009
Interfaces About the API
Interfaces About the API About the API
cont...
Pin
1
2
3
4
5
6
7
8
9
xConfiguration xConfiguration xCommand
xCommand
COM port (RS-232)
Direction
Signal name
From DCE
Carrier detect, CD
From DCE
Receive data, RXD
To DCE
Transmit data, TXD
From DCE
Data terminal ready, DTR
Signal GND
From DCE
Data set ready, DSR
To DCE
Ready to send, RTS
From DCE
Clear to send, CTS
From DCE
Ring indicator, RI
System Integrator Guide
xStatus Cameras Appendices
xStatus Cameras Appendices
Cable wiring (RS-232) TANDBERG DCE <-> PC
TANDBERG DCE 9 pin Direction
—>
1 CD
—>
2 RD
3 TD
<—
4 DTR <—
5 GND <—>
6 DSR —>
7 RTS <—
8 CTS —>
9 RI —>
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PC DTE, 9 pin
1 CD
2 RD
3 TD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
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