Ms+A1-4 - Aastra OpenCom 510 User Manual

Modules
7.10

MS+A1-4

Field of Application
The MT+A1-4 provides interface card four analogue interfaces for connecting
analogue trunk lines.
The MT+A1-4 interface card can be installed in any of the slots (1 to 12) of the
OpenCom 510 (see Slots starting on page 27).
Technical Information
■
The MT+A1-4 interface card can also be installed in a slave system.
■
The MT+A1-4 interface card supports pulse dialling as well as dual-tone multi-
frequency (DTMF) dialling.
■
Ringing tone detection works at 16
minations are electrically isolated. The country-specific adaption is made by
the operating software.
■
Calling line identification presentation (CLIP), the consultation feature by
means of a flash key and/or earthing key and the transmission of call data
charges are not supported.
■
The MT+A1-4 interface card runs on software acquired from the system. After
the card has been installed it will automatically load the required software.
■
No settings need to be made on the MT+A1-4 interface card.
Pin Assignment
For information on the a/b interface pin assignment, refer to a/b Ports starting on
page 48.
Indicators
There are four LEDs on the front of the MT+A1-4 interface card.
80
2
/ , 25 or 50 Hz. The analogue network ter-
3
MS+A1-4