Bay Networks BayStack ARN Routers none Installation And Operating Manual page 142

Installing and Operating BayStack ARN Routers
Pin 1
Pin 16
Pin 31
44-position D-Sub plug with screw locks
(ground shield connected to backshell)
Figure D-3. Cable 7224 (X.21 Compliant)
Table D-6.
Bay Networks Termination
Pin Signal
2 Send Data+
16 Send Data-
4 Request to Send+
18 Request to Send-
3 Receive Data+
17 Receive Data-
9 Data Carrier Detect+
23 Data Carrier Detect-
10 Send Timing+
24 Send Timing-
7 Signal Ground
1 Frame Ground
Pin 41 > 43
Pin 28 > 30
Pin 14 > 15
D-6
X.21 Interface (Order No. 7224)
Local Wire Connections
15 Feet
Pin 1
Pin 15
Pin 30
Pin 9
Pin 44
15-position D-Sub plug with locking posts
(ground shield connected to backshell)
Remote Termination
Pin Signal
2 TD A
9 TD B
3 Control A
10 Control B
4 RD A
11 RD B
5 Indication A
12 Indication B
6 Timing A
13 Timing B
8 Signal Ground
1 Frame Ground
Pin 8
Pin 15
CAB0068A
114200 Rev. A