Talk-In/Talk-out (TITO) balance test
7-5
Wireless Solutions
DualMode 800 Enclosure
Maintenance Manual
MTX08
Figure 7-2
Talk-In/Talk-out call setup
In order to guarantee minimum noise and reflection, the mobile should be in
about the middle of the cell’s coverage area, away from any tall buildings or
shadow zones from hills or mountains.
TITO test procedure
Step
Action
Observation
1
At the MTX place an idle TRU in the off-line
state.
The TRU will be in the idle state.
2
Make a call from the mobile to a phone at the
switch and leave phone off hook.
Switch end will receive a call from the mobile
to setup a call for monitoring.
3
At the cell site test TRU, connect a terminal
and place in the debug mode. See Terminal
Interface Operation in Chapter 1.
4
When the call has been setup put the mobile
into monitor mode and take note of the RSSI
measurements.
Record the RSSI measurements at the
mobile.
5
Set the test TRU, to the same channel as the
one with the call on it from the mobile.
TRU will display same channel.
6
Set the TRU up to monitor the RSSI
measurements. See RSSI tests for set up in
Chapter 11 of this manual.
This turns on all antenna ports.
- continued -
MTX
DMS
Cell site
Equipment
Mobile Monitoring
RSSI
Summary of Contents for DualMode 800
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Page 6: ...vi Publication history Nortel Networks Confidential 411 2051 500 Draft 00 01 November 1999...
Page 82: ...2 20 Periodic maintenance 411 2051 500 Draft 00 01 November 1999...
Page 90: ...3 8 Test equipment and precautions 411 2051 500 Draft 00 01 November 1999...
Page 100: ...5 6 Master Oscillator tests 411 2051 500 Draft 00 01 November 1999...
Page 106: ...6 6 Antenna and transmission line tests 411 2051 500 Draft 00 01 November 1999...
Page 116: ...8 4 Alarm Control Unit ACU tests 411 2051 500 Draft 00 01 November 1999...
Page 138: ...10 2 ICRM tests 411 2051 500 Draft 00 01 November 1999...
Page 200: ...12 10 Enclosure maintenance 411 2051 500 Draft 00 01 November 1999...
Page 208: ...A 8 Appendix A Frequency table 411 2051 500 Draft 00 01 November 1999...
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