
P0911588 Issue 01 Enterprise Edge 2.0 Programming Operations Guide
Troubleshooting your Enterprise Edge
system
These troubleshooting procedures allow you to solve many problems in the
EnterpriseEdgesystem.Follow these procedures beforereplacing any components.
Under Diagnostics, MSC there is a Debug function which ITAS personnel can use
to troubleshoot problems with your Enterprise Edge system. Debug is password
protected. For more information, contact ITAS.
For more information, refer to the following sections.
• General troubleshooting information on page 305
• Problems with telephones on page 309
• Problems with lines on page 310
• Problems with optional equipment on page 315
• Problems with Trunk or Station Modules on page 320
• Problems for network or remote users on page 321
• Problems with Companion sets (North American systems only) on page 326
General troubleshooting information
• Getting ready on page 306
• Types of problems on page 306
• Basic troubleshooting procedure on page 306
Only qualified persons should service the system.
The installation and service of this unit is to be performed only by service
personnel having appropriate training and experience necessary to be aware of
hazards to which they are exposed in performing a task and of measures to
minimize the danger to themselves or other persons.
Electrical shock hazards from the telecommunication network and AC mains
are possible with this equipment. To minimize risk to service personnel and
users, the Enterprise Edge must be connected to an outlet with a third-wire
ground.
Service personnel must be alert to the possibility of high leakage currents
becoming available on metal system surfaces during power line fault events
near network lines. These leakage currents normally safely flow to Protective
Earth ground via the power cord. Therefore, it is mandatory that connection to
an earthed outlet is performed first and removed last when cabling to the unit.
Specifically, operations requiring the unit to be powered down must have the
network connections (central office lines) removed first.
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