AT&T IPC-1600 manual Figure B-5 AT&T Null Modem Adapter Connection Diagram

Data Terminal Equipment (DTE) Connections

AT&T NULL MODEM ADAPTER

FEMALE COMCODE 846362788

PIN 6

PIN 1

	PIN 1	PIN 5
PIN 10		PIN 9

IPC-1600		CONNECTS TO MALE
DATA TERMINAL EQUIPMENT		DB-9 EQUIPMENT
Reserved		Data Set Ready (DSR)
Ring Indicator (RI)		Ring Indicator (RI)
Data Carrier Detect (DCD)		Data Terminal Ready (DTR)
Data Terminal Ready (DTR)		Data Carrier Detect (DCD)
Signal Ground (SG)		Signal Ground (SG)
Receive Data (RD)		Transmit Data (TD)
Transmit Data (TD)		Receive Data (RD)
Clear To Send (CTS)		Request To Send (RTS)
Request To Send (RTS)		Clear To Send (CTS)
Ground Lug	NC

Figure B-5: AT&T Null MODEM Adapter Connection Diagram

SERIAL I/O DEVICE INTERFACE B-11