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SpectraLink Corporation Link WTS Installation and Operation
Part Number: 72-0075-01-C-W.doc Page 14
4.7 Connect Cables from Base Stations and Phone
Lines to Demarc Blocks
Two-pair twisted cable from Base Stations installed throughout the facility converge at
the demarc block or backboard. Each MCU can support four Base Stations and up to 16
Wireless Telephones. The Base Station and Wireless Telephone cables are punched
down onto the demarc/cross-connect blocks as shown in the demarc block diagrams
below. Refer also to the diagrams in .
Photocopy the Base Station Location Form and Extension Assignments Worksheets
provided in this manual as needed. Use the forms to track the Base Stations and Wireless
Telephone port assignments connected to each MCU. As the installer makes each Base
Station or Wireless Telephone connection, fill in the information on the form to identify
the position of the Base Station or Wireless Telephone (the building and floor number,
for example) and a detailed description of the location (perhaps a room number). A copy
of this form should be posted near the cross-connect block.
!!
Up to four Base Stations can be connected on a single MCU. Each Base
Station uses 2 pair, one for data and one for power.
When cabling an external Base Station or a Base Station with wiring that
exits the building, protect all Base Station wiring with fuse protection. One
method is to use a Quick Clip Fuse (Illinois Tool Works, Linx Division,
SCP-2X2) to provide protection from external wiring.
If the wiring between the MCU and the telephone system leaves the building,
consult the telephone system manual, the NEC, and local codes for
instructions on providing lightning and other over-current protection.