Avaya IP Office Phone Manual Do Utilizador

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Technical Data 
Cables - Page 75 
IP Office Installation Manual 
Technical Data - Page 75 
40DHB0002USCL – Issue 9 (28th October 2003) 
Cables 
X.21 WAN Cable 
SAP Code:-  700213408 
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 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/9.84ft. 
 
Pin Connections 
End A 
Name 
Cable Notes 
End B 
1 Receive 
(Rx-B) 
11 
20 Receive 
(Rx-A) 
Twisted Pair 
4 Transmit 
(Tx-A) 
23 Transmit 
(Tx-B) 
Twisted Pair 
24 Control 
(Ctl-A) 
5 Control 
(Ctl-B) 
Twisted Pair 
10 
2 Indicate 
(Ind-A) 
21 Indicate 
(Ind-B) 
Twisted Pair 
12 
3 SE-Timing 
(S-A) 
22 SE-Timing 
(S-B) 
Twisted Pair 
13 
6 Ground 
------ 
 
  Connect pin 7 to pin 6 at End A only
Pin 19 at end A is connected to the Screened Cable Drain Wire. 
This cable is used to connect a WAN port to a Digital leased Line.