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Connect and register handsets, Set up diagnostic modem – Polycom SpectraLink SCM408 User Manual

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PN: 1725-36097-001_L.doc

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Connect and Register Handsets

Set Up Diagnostic Modem

Each MCU has an internal modem feature that allows Polycom

technicians to dial into the system for troubleshooting and

maintenance. The modem is enabled on Line 1 when no handset is

registered to Line 1. When enabled, the modem will auto-answer an

incoming call to that line.

This internal modem uses proprietary communication software.
You cannot use commercial software packages to access this
software. If you have a multiple MCU system, you only need to
enable one modem line, on Line 1 of MCU 1. Line 1 positions on
the other MCUs can be used for handsets.

To set up the diagnostic modem:
1. Connect an analog Direct Inward Dial (DID) line to Analog

Interface MCUs (SCA-5XX) or a digital DID line to Digital

Interface MCUs.

2. Move the mode switch to the

REGISTER

position. The LED for Line

1 should be off, indicating that no handset is registered to Line 1.

If the LED is on then a handset is registered to the line. Refer to

Chapter 6, section Unregister Handsets.

3. Dial the number associated with the DID line. After one or two

rings, you should hear the high-pitched modem answer tone.

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