Filter
Top Products
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