Nortel Networks AN/DC manual Pin 41 Pin 28 Pin 14

Installing and Operating AN/DC and ANH-8/DC Systems

15 FEET

Pin 1 Pin 15

Pin 16	Pin 30
Pin 31	Pin 44

44-position D-SUB plug with screw locks - ground shield connected to backshell

Pin 1 Pin 13

Pin 14 Pin 25

25-position D-SUB plug with screw locks - ground shield connected to backshell

AN0078A

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

D-6 312410-A Rev 00