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M5317 BRI Terminal Page 349 of 544
Option 11C and 11C Mini Technical Reference Guide
Self test
During power-up, the M5317T tests many internal components and displays
error codes if the test fails at any point. These codes are used in manufacturing
testing only.
Error code displays
NI-1 and Meridian 1 modes only. (During startup, there are error codes in
MFT too. During normal operation, there are no error codes on the idle
display, but they can be accessed as described earlier for Setup mode.)
When errors are detected by the telephone, an error code replaces the normal
date and time in the right-hand upper corner of the display.
Data LTID
For NI-1 and MFT mode, data LTID (Logical Terminal Identifier) must be
BRAFS (Basic Rate Access: Functional Signaling). For MFT mode, you must
set the bearer capability for the selected circuit. Voice may be BRAFS or
BRAMFT (Basic Rate Access: Meridian Feature Transparency), depending
on features and service required.
Note: Basic Rate Access is now called Basic Rate Interface (BRI).
Local voice features
Local features are provided by the phone internally with minor intervention
by the switch. They are purely local in nature, or they deal with the switch on
the basis of dialed digits and ringing lines, and hold and release keys. The
following are brief descriptions of local features provided by the M5317T.
Auto PDN select
NI-1 and Meridian 1 modes only. This feature automatically selects the Prime
Directory Number (PDN) when the user goes off-hook, dials using the Saved
Number feature, or uses certain other features such as Call Pickup or Call
Park Retrieve, in the idle state. The user is prompted with Select free line if
the PDN is not idle.