Table 4 – Welltech SPCI2S Boards User Manual
Page 33

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SPCI2S and SPCI4 Boards User Manual Issue 7
33
Table 4.
SS7 Serial Interface Ports (Dual V.11) Connector Pin-Out (SPCI2S)
Pin No
Direction
Function
1
Chassis
ground
2
Output
V.11 Transmit inverted clock Port B
3
Output
V.11 Transmit clock Port B
4
Output
V.11 Transmit inverted data Port B
5
Output
V.11 Transmit true data Port B
6
Input
V.11 Receive inverted clock Port B
7
Input
V.11 Receive clock Port B
8
Input
V.11 Receive inverted data Port B
9
Input
V.11 Receive true data Port B
10
Signal
ground
11 to 18
N/C
19
Output
V.11 Transmit inverted clock Port A
20
Output
V.11 Transmit clock Port A
21
Output
V.11 Transmit inverted data Port A
22
Output
V.11 Transmit true data Port A
23
Input
V.11 Receive inverted clock Port A
24
Input
V.11 Receive clock Port A
25
Input
V.11 Receive inverted data Port A
26
Input
V.11 Receive true data Port A