Mitel SX-200 EL Technician's Handbook page 4

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Technician's Handbook
Upgrading an SX-200 IP Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Upgrading from CD-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Upgrading by Replacing Flash Memory . . . . . . . . . . . . . . . . . . . 38
Trunk SMDR Records Field Summary . . . . . . . . . . . . . . . . . . . . . . . 41
Identifying Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Flowchart 1: Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Flowchart 2: System Is Not Booting . . . . . . . . . . . . . . . . . . . . . . 49
Flowchart 3: An Alarm Is Present . . . . . . . . . . . . . . . . . . . . . . . . 50
Flowchart 5: Maintenance Terminal Problems . . . . . . . . . . . . . . 53
Restoring the Database . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Restoring the SX-200 EL/ML Database . . . . . . . . . . . . . . . . . . . 55
Backing Up Log Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Correcting System ID Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
If the System Reports a System ID Mismatch . . . . . . . . . . . . . . . 57
Powering Down the Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Powering Down the Peripheral Nodes . . . . . . . . . . . . . . . . . . . . 58
Powering Down the IP Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Powering Up the Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Powering Up the SX-200 EL/ML Control Node . . . . . . . . . . . . . . 59
Powering Up the SX-200 LIGHT Control Node . . . . . . . . . . . . . . 59
Powering Up the Peripheral Nodes . . . . . . . . . . . . . . . . . . . . . . . 59
Powering Up the IP Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
Checking the Port Connections to the PBX . . . . . . . . . . . . . . . . . . . 65
Checking the Receiver Allocation . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
iv

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