Install The Bwx 8303 Basestation Timing System - Cisco BWX 8305 Installation And Commissioning Manual

Connect BWX 8303 Basestation Timing System

6.5.2 Install the BWX 8303 Basestation Timing System

Please read the BWX 8303 Basestation Timing System Operation & Maintenance Manual for detailed
information about the BWX 8303 Basestation Timing System unit.
The BXW 8303 Basestation Timing System unit should be powered on and locked (satellite acquisition
Caution
completed) PRIOR TO powering on the Basestation(s) connected to it. This initial configuration should
take place in advance of powering up the BWX 8305 Basestation. The initial POS FIX MODE survey
takes approximately 30 - 40 minutes.
Install the BWX 8303 Basestation Timing System chassis in the rack.
Step 1
Install the BWX 8303 Basestation Timing System antenna and lightning arrestors, and ground both the
Step 2
antenna and the chassis (grounding lug is next to power connection on faceplate) per the grounding rules
mentioned earlier in this Guide. There is no need to terminate the BWX 8305 Basestation GPS antenna
port.
Step 3 For DC powered units, connect the power cable to the power connection (on the front faceplate). Refer
to Figure 6-33
Figure 6-33
Connect the BWX 8303 Basestation Timing System to the BS chassis by connecting the 1 PPS and 10
Step 4
MHz ports on the BS unit to the correct ports on the BWX 8303 Basestation Timing System unit using
the BNC connectors provided (See
Timing System ports are numbered 1-3 for the 1PPS output (for connecting up to 3 BSs at a time) and
4-6 for the 10 MHz output connections. A sticker is affixed to the BWX 8303 Basestation Timing System
unit with the port number assignments.
Connect the Ethernet cable from the Service Provider's network into the Ethernet port on the front of the
Step 5
BWX 8303 Basestation Timing System.
Connect a 9-pin Serial Cable to the RS-232 port on the front of the BWX 8303 Basestation Timing
Step 6
System for communication and viewing "status" command. Refer to the BWX 8303 Basestation Timing
System Operation & Maintenance Manual for console commands.
BWX 2305 Basestation Installation and Commissioning Guide
6-32
for the correct cable connections for - 48 VDC and + 24 VDC powered units.
DC Power Connections
Figure 6-30 & Figure 6-31 above). The BWX 8303 Basestation
Chapter 6 Installation
OL-16336-02