User's Manual

Manual RF Head Installation Procedures Appendix A: Alternate Installation Procedures
Procedure A -2 Procedure to Install the RF Head (Continued)
7
Install the antenna (R adome). Hook the antenna top support
brackets over the bolts near the top of the RF Head.
Loosen antenna hook bolts as required.
Push the bottom of the antenna and hook those brackets
over the bolts near the bottom of the RF Head.
8
Secure antenna using a 10 mm socket and driver to tighten the 4 screws.
T orque the bolts to 45 in-lbs (8.2 N-m).
9
A ttach RF cables between antenna and RF Head.
T orque the bolts to 30 in-lbs (3.4 N-m).
If the Filter is used, connect antenna to RF Filter , then to
RF Head. Refer to Figure A-4 .
10
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 RFU1 through RFU4 as required.
Place the color coded labesl close to the DC power and Fiber Optic connectors.
1 1
Connect DC power cables to RF Heads.
If not already done, use the color tie-wraps
to mark the cables near the connector .
Ensure that the cable for RFU 1 uses the Red tie-wrap, RFU 2 —
Blue, RFU 3 — Y ellow , and RFU 4 — Green.
Route DC power cables to bottom of the B CU and connect to RFU 1 —RFU
4 connectors in the B CU Customer Interface compartment. The B CU RFU
1 — RFU 4 connector locations are color coded.
12
A ttach (crimp) ground wire to ground lug.
A ttach opposite end of ground wire to master ground.
A ttach ground lug to RF Head.
Do the same for the remaining ground lugs, if
any .
13
Connect Fiber Optic Cables (color coded as well) to RF Head.
T orque nut 18 in-lbs (2.1 N-m).
14
A t this point, proceed to the Site Commissioning document for B CU and RF
Head test information and operational verification.
15
The B CU and RF Head have been verified as operational, proceed with step 16 .
16
V erify that the DC power cables are disconnected from the B CU .
A -6 68P09277A59 -5
Draft OCT 2006