Answering A Call At An Outstation; Dial Unit (Ecu) - SigTEL EVC System Operator Instructions

SigTEL EVC System

6. Answering a Call at an Outstation

When the operator calls an outstation, a ringing tone is heard at the outstation.
In noisy locations a flashing light, or auxiliary sounder may also operate. On type B outstations, the CALL
LED flashes.

7. Dial Unit (ECU)

Types of dial unit
There are three types of dial unit; ECU-32, ECU-64 and ECU-128, which look identical except for the
product reference. The number is the maximum number of telephone lines the dial unit can handle.
Checking the dial unit is working
SigTEL Dial vX.X.X
If all is OK, the red LED on the handset cradle is lit, the green POWER LED is lit and the display shows
the current software version number (see above).
If the dial unit is not operating correctly, contact the person responsible for fire safety at the site.
Symbols
The symbols '>' and '<' on either side of a screen entry mean that entry is selected to be acted on.
The symbol '#' in front of an extension name means this extension is calling.
The symbol '!' In front of an extension name means you are calling that extension.
The symbol '*' in front of an extension name means you are connected to that extension.
Answering a call
When an extension calls in, the ringer sounds and the LED on the handset cradle flickers.
The display shows the number of the calling extension and its name, which may have been customised
(see below).
002 Calling
>#002-Extension 002<
Pick up the handset and press * on the keypad to answer.
The display will change and show the details of the extension you are connected to (see below).
Speaking to 002
>#002-Extension 002<
SigTEL
Emergency Voice
Communication System
Operator Instructions
Approved Document No. DCP0001928 Rev 2 Page 3 of 5