Avaya 38DHB0002UKDD manual X.21 WAN Cable, Pin Connections, End A, Name, Cable Notes, End B

Appendix E: Cables	X.21 WAN Cable - Page 137
X.21 WAN Cable
A	B

CD

E

A37 Way D-Type Plug with UNC 4-40 locking screws.

B15 Way D-Type Plug with M3 locking screws.

CLabel

D6 twisted pair screened cable - each core is 7/0.203mm (24 AWG) tinned copper stranded wire, nominal capacitance of 98pF/m, impedance of 77 Ω at 1MHz, screened with aluminized tape and a tinned copper wire drain.

E3 meters.

Pin Connections

End A	Name	Cable Notes	End B
1	Receive (Rx-B)	Twisted Pair	11
20	Receive (Rx-A)		4
4	Transmit (Tx-A)	Twisted Pair	2
23	Transmit (Tx-B)		9
24	Control (Ctl-A)	Twisted Pair	3
5	Control (Ctl-B)		10
2	Indicate (Ind-A)	Twisted Pair	5
21	Indicate (Ind-B)		12
3	SE-Timing (S-A)	Twisted Pair	6
22	SE-Timing (S-B)		13
6	Ground	------	8

Connect pin 7 to pin 6 at End A only.

Pin 19 at end A is connected to the Screened Cable Drain Wire.

INDeX IPNC Cassette Administration Manual	Appendix E: Cables - Page 137
38DHB0002UKDD – Issue 7 (22/11/02)	X.21 WAN Cable