ISDN 8520T Voice/Data Terminal

Hidden/Craft Features

For information on the hidden or craft features, those features that can be done only by qualified service personnel, use the procedures listed for the 8510T terminal in the ISDN Terminals Instal- lation and Tests Manual, Issue 3, 555-021-101. The section titled ISDN 8500-SeriesT-Interface Terminals in that manual contains information on completing the following tasks for the ISDN

8510T voice/data terminal (the procedures for these tasks can also be used for the 8520T):

How to enable or disable the listen-only speaker or the speakerphone

How to enable Selectable Ring Preference

How to clear all parameters stored in memory

How to clear a user’s password

How to clear a password known by the system administrator

How to send or disable Button Number 11

Power Failure Operation

The 8520T cannot be used as an emergency station during power failure transfer conditions.

FCC Registration

The 8520T voice/data terminal is FCC registered as a Class A terminal.

Hearing Aid Compatible

This voice/data terminal is compatible with the inductively coupled hearing aids as required by the FCC.

8520T Equipment PECs and COMCODES

The 8520T voice/data terminal and optional components can be ordered with the following Price Element Codes (PECs) and COMCODES:

ISDN 8520T Voice Terminal

PEC: 3116-001 (AT&T Black=COL09; AT&T White=COL10)

COMCODE: AT&T Black=106906431; AT&T White=106906449

3-441

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AT&T System 85 manual 8520T Equipment PECs and Comcodes, Isdn 8520T Voice Terminal