Data Terminal Equipment - AT&T DEFINITY Remote Port Security Device User Manual

DB25 Connections From RPSD Lock or Key to Data Terminal Equipment
2-18
Installation
Transmit Data
2
Receive Data
3
Request to Send
4
Clear to Send
5
Data Set Ready
6
Signal Ground
7
Data Carrier Detect
8
Data Terminal Ready
20
Ring Indicator
22
RPSD
(DCE)
FIGURE 2-8
2
3
4
5
6
7
8
20
22
Terminal or Printer
(DTE)