Nortel Networks AN/DC Manual Do Utilizador
Installing and Operating AN/DC and ANH-8/DC Systems
D-6
312410-A Rev 00
Figure D-3.
Cable 7224 (X.21 Compliant)
Table D-8.
X.21 Interface (Order No. 7224)
Nortel Networks Termination
Remote Termination
Pin
Signal
Pin
Signal
2
Send Data+
2
Send Data+
16
Send Data-
9
Send Data-
4
Request to Send+
3
Request to Send+
18
Request to Send-
10
Request to Send-
3
Receive Data+
4
Receive Data+
17
Receive Data-
11
Receive Data-
9
Data Carrier Detect+
5
Data Carrier Detect+
23
Data Carrier Detect-
12
Data Carrier Detect-
10
Send Timing+
6
Send Timing
24
Send Timing-
13
Receive Timing
7
Signal Ground
8
Signal Ground
1
Frame Ground
1
Frame Ground
Local Wire Connections
Pin 41 > 43
Pin 28 > 30
Pin 14 > 15
Pin 1
Pin 16
Pin 31
Pin 15
Pin 30
Pin 44
44-position D-SUB plug with screw locks -
ground shield connected to backshell
15 FEET
Pin 13
Pin 1
Pin 25
Pin 14
25-position D-SUB plug with screw locks -
ground shield connected to backshell
AN0078A