Nortel DualMode 800 Maintenance Enclosure Manuals

Manuals and User Guides for Nortel DualMode 800 Maintenance Enclosure. We have 1 Nortel DualMode 800 Maintenance Enclosure manual available for free PDF download: Maintenance Manual

Nortel DualMode 800 Maintenance Manual (216 pages)

Brand: Nortel | Category: Enclosure | Size: 2 MB

Table of Contents
7
About this Document
13
Audience for this Document
13
Organization of this Document
14
Related Documents
14
Equipment Operation
15
Alarm Control Unit
15
Selecting an Option
17
Input Option
18
Output Option
20
General Option
22
Dualmode Cell Site Monitor (DCSM)
23
Stand-Alone Mode Operation
24
The Hughes M6200 Handset (NT3P75AB)
24
Programming the Mobile
26
Operating the Mobile
35
Transmit Receive Unit (TRU)
36
The Front Panel Display Interface
36
The Terminal Interface
40
Fullscreen Commands
45
Command Line Mode Commands
50
Multi-Channel Power Amplifier (MCPA)
57
Installing the MCPA Software Program
57
Running the MCPA Software on the Computer
57
Downloading the MCPA Firmware to the MCPA Shelf (if Required)
60
Setting the MCPA Output Power
61
Periodic Maintenance
63
Periodic Maintenance Records
63
Equipment in a Dualmode 800 Enclosure
64
Transmit Receive Unit (TRU) and Multi-Channel Power Amplifier (MCPA)
65
High Stability Master Oscillator (HSMO)
65
Alarm Control Unit (ACU)
65
Transmit Path Insertion Loss
65
Other Equipment
65
Transmission Facilities
65
Microwave
66
Copper Audio Link
66
Power
66
Battery
66
Rectifiers
66
Fuses/Breakers
66
Cabling and Connections
66
Inside Grounding
66
Bay Bonding
67
Cabling and Connections
67
Principle Ground Bar
67
Transmission Line Entrance
67
Outside Grounding
67
Tower and Associated Structures
67
Building Sheath, Fences and Other Equipment
68
Antennas and Tower
68
Structure
68
Tower Lighting
68
Grounding
68
Paint
68
Feed
69
Antennas
69
Pressurized Transmission Lines
69
Site Performance
69
Fringe Coverage
69
Handoff Checks
69
Antenna Sweep
69
Housekeeping
70
Heating/Air Conditioning
70
Dust Control
70
Statutory Requirements
70
Site Licenses
70
Trash and Loose Articles
70
Site Grounds Keeping
70
Building Service
70
Security
70
Manuals and Records
71
Schedule for Periodic Cell Site Maintenance
71
Dualmode 800 Enclosure Maintenance Reference Chart
72
Dualmode 800 Enclosure Every Visit Checklist
75
Dualmode 800 Enclosure MONTHLY Checklist
76
Dualmode 800 Enclosure QUARTERLY Checklist
77
Dualmode 800 Enclosure SEMI-ANNUAL Checklist
78
Dualmode 800 Enclosure ANNUAL Checklist
79
Test Equipment and Precautions
83
Test Equipment
83
Precautions
85
Equipment Warm-Up
85
Test Equipment
85
RF Radiation Hazard
86
Electrostatic Discharge (ESD) Control
86
Power-Up Procedure
91
DC Power Inspection
91
Voltage Checks
92
Master Oscillator Tests
95
Overview
95
Oscillator Frequency Specifications
95
Oscillator Power Level Test
96
Reference Oscillator Tests
96
Oscillator Frequency Test Procedure Using Trus
98
HSMO Frequency Test - Transceiver Carrier Method
98
Antenna and Transmission Line Tests
101
Antenna Direct Current Continuity
101
Antenna Return Loss
102
Antenna Return Loss Test
102
Thruline Wattmeter Method (Antenna Return Loss)
104
Antenna Sweep
104
Enhanced Receive Multicoupler (ERMC) Tests
107
ERMC Description
107
ERMC Overall Gain Measurement Test
107
ERMC Gain Adjustment
110
Talk-In/Talk-Out (TITO) Balance Test
110
TITO Test Procedure
111
Alarm Control Unit (ACU) Tests
113
Overview
113
Alarm Control Unit Test Setup
113
Performing Tests Using a DCSM
117
Introduction
117
Stand-Alone Mode Tests
117
Stand-Alone ACCH/DCCH Selection
117
DCSM Auto Answer Facilities
118
Performing Tests Using the DCSM in the Directed Mode
118
Monitoring Functions
118
Posting the DCSM
120
Control Channel Tests
120
MTX CTT Tests
125
ICRM Tests
137
DRU Tests
139
Introduction
139
Functionality of the DRU
141
Audio Sensitivity of the TRU
141
Test Considerations
142
Test Equipment Required
143
TRU Self Test
143
DRU Configurations for Analog Tests
144
Nominal Application Gain
144
TRU Setup
145
DRU Transmit Tests
150
Service Impacts
150
Transmit Test Setup Procedure
150
Transmit Carrier Frequency Test
153
Wideband Modulation Test
153
SAT Frequency and Deviation Tests
154
Residual Modulation Test
155
Transmit Audio Level Test
155
Modulation Limiting Test
156
Khz Tone Generation Test
158
Setting TX Audio Deviation to Site Operational Level
159
DRU Receive Tests
160
Service Impacts
160
Receive Test Setup Procedure
160
Receive Sensitivity Test
163
Receive and Transmit Audio Line Sensitivity Test
163
Receive Audio Level Test
164
RSSI Test
165
RSSI Offset Calibration
167
SAT Detect Test
173
ST Detect Test
174
Setting RX Audio Level to Site Operational Level
175
Transmit RF Output Power Test
176
Transmit RF Output Power Test Setup Procedure
176
Requirements on the Transmit RF Output Power Test
178
Transmit RF Output Power Test
179
Setting TRU Power Step Size and Max Power to Site Operational Level
180
DRU Digital Tests
181
Digital Test Considerations
181
Bit Error Rate Test at the MTX Switch
182
Bit Error Rate Test at the Cell Site
184
TDMA Modulation Accuracy Test
187
TDMA Call Test
190
Enclosure Maintenance
191
Field Replaceable Unit (FRU)
191
General Precautions
194
RF Radiation Hazard
194
Electrostatic Discharge (ESD) Control
194
Cable/Connector Identification
194
Replacing Faulty Common Equipment (CE) Units
195
Replacing Faulty Radio Frequency (RF) Units
196
Replacing the TRU or MCPA Shelf
197
General Rules for Replacing a TRU or an MCPA Module
197
Replacing the TRU
197
Replacing the MCPA Module
198
Returning a Faulty Unit to Your Nortel Networks CSO Office
199
Appendix A: Frequency Table
201
System's Channel and Frequency
201
Channel Frequency Calculation (in the Following, N = Channel Number
201
AMPS Frequency Allocation
201
Appendix B: Test Forms
209
Power and Grounding Checks (Chapter 4
209
HSMO Checks (Chapter 5
209
Antenna Checks (Chapter 6
209
DRU Checks - Transmit Tests (Chapter 11
212
DRU Checks - Receive Tests (Chapter 11
213
DRU Checks - Digital Tests (Chapter 11
214

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