NEC SL 1000 Technical Training Manual page 9

Cabling (1)
• Each I/F card provides "RJ11" connectors.
• One "RJ11" connector is provided each Trunk and Extension port.
Trunk
T R
 DO NOT wire the cable with an AC Cable, computer, etc.
 DO NOT run the cable near the high frequency generating device.
 Use cable protectors in case the cables are run on the floor.
 Aerial distribution wiring is NOT allowed.
 Trunks must be installed with Lightning Arresters.
Page 9
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Modular Plug
NEC Confidential
Extension
L H
T R