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5. CONNECTING TELEPHONE LINES
5.1 SAFETY PRECAUTIONS
To limit the risk of personal injury, always follow these precautions before
connecting to TELCO circuits:
Never install telephone wiring during a lightning storm.
Never install telephone jacks in a wet location unless the jack is specifically
designed for wet locations.
Never touch uninsulated telephone wires or terminals unless the telephone line
has been disconnected at the network interface.
Use caution when installing or modifying telephone lines.
5.2 LOOP START LINES
Using one pair twisted #24 AWG or #26 AWG jumper wire, cross-connect each
loop start C.O. line to the trunk port.
Refer to FIGURE 4-1 through 4-7 and 4-8.
6. CONNECTING STATION EQUIPMENT
Using one pair twisted #24 AWG or #26 AWG jumper wire, cross-connect each
keyset/AOM or single-line telephone to the keyset port or SLI port of your choice.
6.1 CONNECTING KEYSET / AOM (FIGURE 6-1)
The NX-308 system has seven hybrid ports and the NX-1232 system has eight
hybrid ports.Either a keyset or a single-line telephone may be connected to a
hybrid port. Before connecting station equipment to a hybrid port, the switches on
the Base Board must be set to keyset or SLT.
Each switch is composed of four sections, set to ON/ON/OFF/OFF to connect a
keyset to the hybrid port.
Each numbered switch has four
sections: .
To connect a keyset to a hybrid port,
they are set to ON/ ON/ OFF/ OFF.
6.1.1 NX-308 - Related Switch Location (FIGURE 6-3)
To connect a keyset or AOM to station #2 to #8 of basic KSU, the related
DIP switches should be set as follows: (Station #1 is a keyset-only station.)
NX-SERIES HYBRID KEY SYSTEM INSTALLATION SECTION
2 - 20
ON
OFF