Installation Instructions

RGPS (R emote GPS) Head Chapter 12: RGPS Head R eplacement Procedure
Procedure 12 -1 RGPS Head R eplacement Procedure (Continued)
11 Go to step step 16
12
Disconnect the RGPS cable from the RGPS head connector . It may be helpful to create some
slack in the RGPS cable.
The UBS Macro BTS frame automatically switches over to the backup reference
source, QHSO/MSO , after disconnecting a working RGPS head. Alarm/event
messages are also triggered.
13
Remove the RGPS head by grasping the head and unscrewing it from the mounting
pipe/conduit.
Turn the RGPS head Counter-Clockwise (CCW), as viewed from the top of the
head, to loosen/unscrew .
14
Screw the replacement RGPS head onto the mounting pipe/conduit. Securely tighten the
head.
15
Connect the RGPS cable connector to the replacement RGPS head connector . Secure the
connection by tightening the spinning connector flange.
A fter connecting the replacement head, the UBS Macro BTS frame automatically
switches over to the primary reference source, Remote GPS .
16
A fter the replacement RGPS head is re-connected and powered up, it may take up
to 30 minutes for the replacement RGPS head to successfully track and acquire
satellites.
Notify the OMCR operator that you have completed the replacement procedure.
A T THE OMCR
17
V erify that old alarms are cleared and no new alarms are reported.
18
If optimization is to be performed at this time, see Optimization Required
following this table.
12 -6 68P09283A64 -3
FOA SEP 2007