User's Manual

Access P oint Hardw are Installation Manual RF Head Installation Procedures
Procedure A -2 Procedure to Prepare and Install RF Head (Continued)
6
Install the antenna (R adome). Hook the antenna top support
brackets over the bolts near the top of the RF Head.
Push the bottom of the antenna and hook those brackets over the bolts
near the bottom of the RF Head.
7
Secure antenna using a 10 mm socket and driver to tighten the 4 screws.
T orque the bolts to 45 in-lbs (5.0 N-m).
8
Reposition the RF Head on its side.
A ttach RF cables between antenna and RF Head.
T orque the nuts to 38 in-lbs (4.3 N-m).
If the optional filter is being used, proceed to
Procedure A-3 to attach it to the RF Head.
Refer to Figure A-4 . Otherwise, proceed to step 9
9
If more than one RF Head is in use tag the DC P ower cable pairs using
the color coded labels supplied inside the B CU Customer Interface
compartment. Label the cables with the color coded tie-wraps as required.
The cables are color coded as follows:
• RFU 1 — Red
• RFU 2 — Blue
• RFU 3 — Y ellow
• RFU 4 — Green
Place the color coded labels at the connector ends of both the DC power
and Fiber Optic cables.
10
Loosen captive screws and ground lug from RF Head.
Insert 6 A WG ground wire into ground lug and crimp in place.
Reattach ground lug to RF Head.
A ttach opposite end of ground wire to tower ground.
Do the same for the remaining RF Head ground lugs, as required.
1 1
Connect Fiber Optic Cables (color coded as well) to RF Head.
T wist on connector until it stops (detent)
12
A t this point, proceed to the Site Commissioning document for B CU and RF
Head test information and operational verification.
13
The B CU and RF Head have been verified as operational, proceed with step 14 .
14
V erify that the DC power cables are disconnected from the B CU .
15
A ttach solar shield.
Insert mushroom head knobs near bottom of shield
into keyhole slots on sides of mounting bracket.
Slide solar shield into position over handle
and into slots on top of mounting bracket.
Tighten screws to secure shield to brackets.
68P09277A59 -8 A -7
MA Y 2007 PRELIMINARY - UNDER DEVELOPMENT