Westermo DDW-100 - Manual (Page 12)

Position Direction Description
No. 1 NC
No. 2 NC
No. 3 In/Out 2-wire Receive/
Transmit
SHDSL
No. 4 In/Out 2-wire Receive/
Transmit
SHDSL
No. 5 NC
No. 6 NC
Position Direction Description
No. 1 In/Out 2-wire Receive/
Transmit
SHDSL
No. 2 In/Out 2-wire Receive/
Transmit
SHDSL
Position Description
No. 1 Common
No. 2 +VA
No. 3 +VB
No. 4 Common
Contact Signal Name Direction Description/Remark
No.1 TD+ In/Out Transmitted/Received data
No. 2 TD– In/Out Transmitted/Received data
No. 3 RD+ In/Out Transmitted/Received data
No. 4
No. 5
No. 6 RD– In/Out Transmitted/Received data
No. 7
No. 8
Shield HF-connected
12 6621-2202
DSL
Connections
Ethernet connection (TX) (RJ-45 connector)
DSL RJ-12 connector
SHDSL screw connector*
Power connection
screw terminal
The DDW-100 supports redundant power connec-
tion. The positive input are +VA and +VB, the nega-
tive input for both supplies are COM. The power is
drawn from the input with the highest voltage.
* Note that only one of the DSL connections
should be used.
CAT 5 cable is recommended.
Unshielded (UTP) or shielded (STP) connector can be used.
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7
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5
4
3
2
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