OfficeServ 7400
INSTALLATION
TECHNICAL MANUAL
PART 6 MAY 2010
6.1
PART 6. CONNECTING C.O. LINES
This section describes how to connect C.O. lines to the OfficeServ 7400 system after
installation.
6.1 SAFETY PRECAUTIONS
To reduce the risk of personal injury, follow these precautions before connecting TELCO
circuits:
Wires with AWG #24 or AWG #26 width should be used as subscriber lines.
Never touch non-insulated telephone wires or terminals unless the telephone line has
been disconnected at the Network Interface.
When wiring cables in high-humidity areas, remove moisture before wiring.
Never install telephone jackets in a wet location unless the jack is specifically designed for
wet locations.
Wires should be handled carefully to prevent any changes or damages.
Subscriber lines should be kept indoors if possible.
High voltage power lines should not be wired near a subscriber line.
Never install telephone wiring during a lightning storm.
Leak resistance for C.O. lines connected to the OfficeServ 7400 system is as follows:
Table 6.1 OfficeServ 7400 Line Conditions
Line Condition
Leak Resistance
Leak Resistance Between Lines
20 k
or higher
Leak Resistance Between Grounds
20 k
or higher
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