Technical Data
Small Office Edition Installation Manual
Page 45
IP Office 3.0
40DHB0002UKED Issue 3 (4th February 2005)
WAN Port (37 Way D-Type Socket)
Available with the WAN expansion kit only (see Country Variants ).
Pin No.
Description
Signal Dir.
Pin No.
Description
Signal Dir.
1
V11 Rx-B
<
20
V11 Rx-A
<
2
V11 Ind-A
<
21
V11 Ind-B
<
3
V11 Clk-A
<
22
V11 Clk-B
<
4
V11 Tx-A
>
23
V11 Tx-B
>
5
V11 Ctl-B
>
24
V11 Ctl-A
>
6
V11 Gnd
25*
WAN ID 0
<
7*
WAN ID 1
<
26
V24 Tx
>
8
V24 DTR
>
27
V24 RTS
>
9
V24 Rx
<
28
V24 RxClk
<
10
V24 TxClk
<
29
V24 RI
<
11
V24 DCD
<
30
V24 DSR
<
12 V24
CTS
<
31 N/C
13 N/C
32 V35
Tx-A
>
14
V35 Tx-B
>
33
V35 SCTE-A >
15
V35 SCTE-B >
34
V35 Gnd
16
V35 Rx-B
>
35
V35 Rx-A
>
17
V35 TxClk-B <
36
V35 TxClk-A <
18
V35 RxClk-B <
37
V35 RxClk-A <
19 CHASSIS
Notes:
1. For the USA, only FCC Part 68 registered data circuit terminal equipment should be connected to
the WAN Ports.
2. *For X21, V24/28 and V35 variants, pins 7 and 25 are connected as follows:
•
X21: Pin 7 is connected to pin 6.
•
V24/28: Pin 25 is connected to pin 6.
•
V35: Pins 7 and 25 are connected to pin 6.