Siemens Hicom 150 E Office - Table 3-7 Officeone Contact Assignments

Real-time clock with vanadium-lithium battery (rechargeable)
PCM highway switching and conference circuit
Outputs
Digital subscriber line circuits U
P0/E
Analog subscriber line circuits a/b
V.24 interface
SBS interfaces
Figure 3-8 SBS interfaces(S30817-Q905-A)
SBS contact assignment
Table 3-7 OfficeOne contact assignments
Contact Conn. X1
ab
Conn. X2
U
P0/E
Conn. X3/X4
S
0
Conn. X5
V.24
1 a1 - Port 1 b1 - Port 1 GND
2 b1 - Port 1 a1 - Port 1 SX+ TxD
3 a2 - Port 2 b2 - Port 2 SR+ CTS
4 b2 - Port 2 a2 - Port 2 SR- RxD
5 a3 - Port 3 b3 - Port 3 SX- RTS
Hicom 150 E Office Rel.1.0 Service Manual - 3.2 Central boards
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