Technician’s Handbook
iv
Upgrading an SX-200 IP Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Upgrading from CD-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Upgrading by Replacing Flash Memory . . . . . . . . . . . . . . . . . . . 38
Trunk SMDR Records Field Summary . . . . . . . . . . . . . . . . . . . . . . . 41
Chapter 3 Troubleshooting and Repair
Flowchart 1: Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Flowchart 2: System Is Not Booting . . . . . . . . . . . . . . . . . . . . . . 49
Flowchart 3: An Alarm Is Present . . . . . . . . . . . . . . . . . . . . . . . . 50
Flowchart 4: Correcting Set / Dataset Problems . . . . . . . . . . . . . 51
Flowchart 5: Maintenance Terminal Problems . . . . . . . . . . . . . . 53
Interpreting the Main Control Card Power-Up Error Codes . . . . . . . 54
Restoring the Database . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Backing Up Log Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Correcting System ID Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Powering Down the Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Powering Down the SX-200 EL/ML Control Node . . . . . . . . . . . . 57
Powering Down the SX-200 LIGHT Control Node . . . . . . . . . . . 58
Powering Down the Peripheral Nodes . . . . . . . . . . . . . . . . . . . . 58
Powering Down the IP Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Powering Up the Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Replacing Circuit Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Replacing Peripheral Interface Cards . . . . . . . . . . . . . . . . . . . . . 60
Replacing a Main Controller Card . . . . . . . . . . . . . . . . . . . . . . . . 61
Correcting Ground Path Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Problems Caused by Incorrect PBX Grounding . . . . . . . . . . . . . 62
Ground Path AC Voltage Test . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Ground Path Resistance Test . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Testing the CO and PBX Ground Differential . . . . . . . . . . . . . . . 64
Summary of Contents for SX-200 EL
Page 1: ...TECHNICIAN S HANDBOOK LIGHTWARE 19 RELEASE 3 0 ...
Page 11: ...Chapter 1 Introduction ...
Page 12: ......
Page 32: ...Technician s Handbook 22 ...
Page 33: ...Chapter 2 Routine Maintenance ...
Page 34: ......
Page 55: ...Chapter 3 Troubleshooting and Repair ...
Page 56: ...Technician s Handbook 46 ...
Page 88: ...Technician s Handbook 78 Figure 16 E M Trunk Type I 2 wire ...
Page 110: ...Technician s Handbook 100 ...
Page 111: ...Chapter 4 Programming ...
Page 112: ......
Page 168: ...Technician s Handbook 158 ...
Page 169: ...Chapter 5 Installation ...
Page 170: ......
Page 239: ...Chapter 6 Maintenance Commands ...
Page 240: ......
Page 258: ...Technician s Handbook 248 ...
Page 261: ...Notes ...
Page 262: ...Technician s Handbook Notes ...