Polycom SpectraLink 6100 MCU - Manual (Page 30)

SpectraLink 6100 MCU: Installation and Operation: SpectraLink 6000 System
Install MCUs
Mount MCUs to wall
The MCUs are designed to be mounted on a backboard of 3/4”
plywood, securely fastened to the wall. Mount the MCUs vertically,
side by side, using 2.75” spacing center-to-center for each unit. Do not
stack MCUs on top of one another.
To mount the MCUs:
1. Using a 1/8” drill bit, drill four pilot holes, on 2” x 12.1” centers.
2. If installing only one MCU, insert the #8 x 3/4” screws in the pilot
holes and tighten, leaving a 1/8 to 1/4” gap from the wall.
3. If installing more than one MCU, the ESD bonding strap(s) must
be installed between adjacent units:
4. Remove the screws from the bottom of adjacent units.
5. Place the ESD strap over the pilot holes that span two units, and
hold it against the plywood backboard.
6. Place the star washer on top of the ESD strap.
7. Insert the #8 x 3/4” screw and tighten to leave 1/8 to 1/4” gap
from the wall.
8. Repeat for all ESD straps.
9. Slide the MCU over the screws until it drops in place.
10. Tighten screws fully.
11. When installing an analog interface MCU (SCA-5XX), the
grounding terminal in the rear panel of each unit must be
electrically connected to earth ground. Consult the NEC and local
codes for instructions on making the connection to the ground.
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.
PN: 1725-36097-001_G.doc 30