Led Indications - Toshiba PERCEPTION 4000 User Manual

PERCEPTION 4000
DIU-I provides a standard 25-pin connector for RS-232-C connection to
data devices.
20-KEY ADD-ON MODULE
Each PERCEPTION 4000 digital telephone can be connected to up to
three 20-key add-on modules, to provide up to 60 additional flexible keys.
Each key has an accompanying red/green LED, and can be assigned as
either a line appearance or feature access key.
HEADSET OPERATION MODULE
If headset operation is required, each PERCEPTION 4000 digital
telephone can be equipped with an internal circuit card which enables
this operation. Telephones with Headset Operation capability can have
assigned feature access keys to enter/exit the headset operation mode
and to control on-hook/off-hook station operation (see Feature
Operation).

LED INDICATIONS

LED indications vary according to the dedication of their accompanying
keys. Selected fixed keys (Microphone, Speaker, and Message Waiting)
have one-color (red) LEDs that indicate feature activation (LED on) or
deactivation (LED off). Flexible keys can be assigned as either line
appearance keys or feature access keys, with each key having its own
unique dual-color (red/green) LED. The following table indicates the
LINE APPEARANCE KEY LED INDICATIONS/FLASH RATES
LED
STATE
COLOR
Idle ---------
Ringing/Recall
Green
(Internal)
Ringing/Recall
Green
(External)
I-Use Green
I-Hold Green
In-Use Red
In-Hold Red
GENERAL INFORMATION
FLASH RATE
Off
.5 on; .5 off; repeating
.25 on; .25 off; repeating
Steady on
.25 on, .25 off; 1.25 on; .25 off; repeating
Steady on
.1 on; .1 off; repeating
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