Avaya 38DHB0002UKDD Manuel D’Utilisation
Appendix E: Cables
X.21 WAN Cable - Page 137
X.21 WAN Cable
A
B
C
D
E
A 37 Way D-Type Plug with UNC 4-40 locking screws.
B 15 Way D-Type Plug with M3 locking screws.
C Label
D 6 twisted pair screened cable - each core is 7/0.203mm (24 AWG) tinned
B 15 Way D-Type Plug with M3 locking screws.
C Label
D 6 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.
E 3
meters.
Pin Connections
End A
Name
Cable Notes
End B
1 Receive
(Rx-B)
11
20 Receive
(Rx-A)
Twisted Pair
4
4 Transmit
(Tx-A)
2
23 Transmit
(Tx-B)
Twisted Pair
9
24 Control
(Ctl-A)
3
5 Control
(Ctl-B)
Twisted Pair
10
2 Indicate
(Ind-A)
5
21 Indicate
(Ind-B)
Twisted Pair
12
3 SE-Timing
(S-A)
6
22 SE-Timing
(S-B)
Twisted Pair
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