Installation Instructions

BTS Configuration – continued

DEC 2000

7-21

SCt300 BTS Hardware Installation, ATP and FRU Procedures

PRELIMINARY

Table 7-9: Verify DPLL Tracking

Step Action

7 Enter the gps_status command to display the current state of the RGPS. Observe the following

typical response:

gps_status

GPS Receiver Identification:

Current GPS Time :8 03 1999 23:01:12

Current GPS Receiver Status :8

Number of Satellites Currently visible :11

Number of Satellites Currently received :5

Number of Satellites Currently tracked :5

GPS Receiver Type :UT

Current GPS Task State :GPS_TRACK

Current Dilution of Precision (HDOP (2D)/antenna ok [0x01]): 0

Chan: 0, SVID: 9, Mode: 8, RSSI: 44, Status: 0xaa

Chan: 1, SVID: 4, Mode: 8, RSSI: 46, Status: 0xaa

Chan: 2, SVID: 10, Mode: 8, RSSI: 44, Status: 0xaa

Chan: 3, SVID: 6, Mode: 8, RSSI: 41, Status: 0xaa

Chan: 4, SVID: 7, Mode: 8, RSSI: 43, Status: 0xaa

Chan: 5, SVID: 24, Mode: 8, RSSI: 47, Status: 0xaa

Chan: 6, SVID: 30, Mode: 8, RSSI: 45, Status: 0xaa

Chan: 7, SVID: 5, Mode: 8, RSSI: 48, Status: 0xaa

Current Longitude: –350250952

Current Latitude: 118244730

Current Height: 24019

8 The RGPS must have a Current GPS Task State of GPS_TRACK to proceed.

NOTE

GPS tracking times vary depending on location and installation.

9 Issue the dpll_status command to display the current state of the DPLL. Observe the following

typical response:

Current source set to: GPS reference

DPLL control task state: DPLL track.

DPLL status (not valid if using even sec src):

c:0000 off: –8639450,6736579,7204904 TK

(Note: This must say TK. A1 and A2 states will have preceded it)

Mode cntr: 120

ip: 9, iq: 4

aip1: 9, aiq1: 4

aip2: 6, aiq2: –2

tip: 3, tiq: –9

integrator: 4096

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