Connect mcu to demarc blocks, Connect multi-unit systems – Polycom SpectraLink SCM408 User Manual
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Install SpectraLink 6000 System
PN: 1725-36097-001_L.doc
33
No more than 15 units may be grounded through one connection to
the protective earth ground. Systems involving more than 15 units
must be broken up into groups of 15 or fewer units with each group
provided with an independent protective earthing conductor.
Connect MCU to demarc blocks
Connect the male RJ-21 connector from the appropriate demarcation
block to the designated RJ-21 connector (
A
or
B
) on each MCU. Secure
the cables using the keeper.
Connect multi-unit systems
Use the following procedure to connect multiple MCUs.
1. Mount the MCUs side by side.
2. Connect the IPC cable from the
OUT
port of the first unit to the
IN
port of the adjacent unit. Repeat until all units are connected, as
shown in the following illustration.