4-12
Leased Line Option
This option supports both 2 and 4 wire connections.
•
Two-Wire Line Connection (See Figure
1. Set both switches of dip switch 2W / 4W SELECT on the Line Interface Unit’s front
panel to position 2W.
2. There are two options to connect the line wire to the Line Interface Unit:
– If the telephone line has an RJ11 connector plug it into the 2-WIRE LINE connector on
the unit’s front panel.
Or:
– If the telephone line does not have an RJ11 connector connect the wires to terminals #1
and #2 of the unit’s front panel TB. The polarity is insignificant.
Figure
4-8 2W Leased Line Option - Electrical Connections
PROT
GND
2W
Tx/Rx Leased
Line
To
2W Tx / Rx Leased Line
Optional Telephon e Cable
with RJ11 Connectors
Dip Switch
2W position
6
54
3 2
1
PROT
2W
Tx/Rx Leased
Line
CPU
Dip Switch
2W position
6
54
3 2
1
6
54
3 2
1
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