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For a complete description of configuring the COM port of the Office Module, see "Configuring the COM
Port" on page 30.
Pin Number
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
EXTender 3000 System Administrator's Guide (Definity)
Data Communications
Table 9: RS-232 DB9 COM Port Pinout
Description at Remote and Office Module
DCD – Data Carrier Detect
Tx – Transmit data out
Rx – Receive data in
DTR – Data Terminal Ready
Signal Ground
DSR – Data Set Ready
RTS – Request To Send
CTS – Clear to Send
Page 63
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