Westermo TR-36B - Manual (Page 17)

17 6614-2210
Termination recommandations of Leased lines
and Dial-up connections
In some connections the communication line (Leased Line or PSTN) must be
terminated. The table below shows the right way to activate the termination
for different usages. As a standard, the receiver in multidrop systems at the end
points shall be terminated.
S4 DIP-switch
Termination recomendations for TR-36B
ON
1 2 3 4 5 6 7 8
PSTN
ON
1 2 3 4 5 6 7 8
Multidrop
V23 2-wire – endunit
ON
1 2 3 4 5 6 7 8
PSTN
Backup
ON
1 2 3 4 5 6 7 8
Multidrop
V23 2-wire – dropunit
ON
1 2 3 4 5 6 7 8
2-wire
Leased Line
ON
1 2 3 4 5 6 7 8
Multidrop
V23 4-wire – endunit
ON
1 2 3 4 5 6 7 8
4-wire
Leased Line
ON
1 2 3 4 5 6 7 8
Multidrop
V23 4-wire – dropunit