Nortel DualMode 800, Maintenance Manual

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Nortel Networks Confidential Contents xi
Wireless Solutions DualMode 800 Enclosure Maintenance Manual MTX08
General rules for replacing a TRU or an MCPA module 12-7
Replacing the TRU 12-7
Replacing the MCPA module 12-8
Returning a faulty unit to your Nortel Networks CSO office 12-9
Appendix A: Frequency table A-1
System's channel and frequency 1
Channel frequency calculation (in the following, N = channel number) A-1
AMPS frequency allocation A-1
Appendix B: Test forms B-1
Power and grounding checks (Chapter 4) B-2
HSMO checks (Chapter 5) B-3
Antenna checks (Chapter 6) B-3
DRU checks — Transmit tests (Chapter 11) B-4
DRU checks — Receive tests (Chapter 11) B-5
DRU checks — Digital tests (Chapter 11) B-6
Figures
Figure 2-1 ACU Initial screen display 2-2
Figure 2-2 ACU menu structure 2-3
Figure 2-3 Typical Input Monitor screen display 2-5
Figure 2-4 Typical Output Monitor screen display 2-7
Figure 2-5 Controls and keypad on Hughes M6200 handset 2-10
Figure 2-6 Front panel layout of the TRU2 (NTAX98AA) 2-22
Figure 2-7 Front panel layout of the TRU3 2-23
Figure 2-8 Fullscreen display for the TRU2 2-29
Figure 2-9 Fullscreen display for the TRU3 2-30
Figure 2-10 Selection menu for the MCPA 2-44
Figure 2-11 Power setting menu for the MCPA 2-44
Figure 3-1 Equipment layout of a DualMode 800 Enclosure 3-2
Figure 6-1 Oscillator power level and frequency test setup 6-3
Figure 6-2 Oscillator frequency test setup — transceiver carrier method 6-5
Figure 7-1 Antenna return loss block diagram 7-3
Figure 8-1 RMC overall gain measurement test 8-3
Figure 8-2 Talk-In/Talk-out call setup 8-5
Figure 9-1 ACU First maintenance screen 9-2
Figure 9-2 Typical alarm connector (36-Pin) 9-3
Figure 10-1 MALT and MAHT CTTPARMS Fields 10-10
Figure 10-2 MALT Test Output MTX303 Log 10-11
Figure 10-3 MAHT Test Output MTX303 Log 10-11
Figure 10-4 MRLT and MRHT CTTPARMS fields 10-13
Figure 10-5 MRLT Test Output MTX303 Log 10-14
Figure 10-6 MRHT Test Output MTX303 Log 10-14
Figure 10-7 MRLP Test Measurements 10-15
Figure 10-8 MRLP Test results MTX302 Log 10-16
Figure 10-9 MRLR Test Measurements 10-18
Figure 10-10 MRLR Test results MTX302 Log 10-19
Figure 11-1 Front panel layout of the TRU2 (NTAX98AA) 11-2
Figure 11-2 Front panel layout of the TRU3 (NTAW99AA) 11-2