Aastra OpenCom 510 User Manual page 71

Modules
Technical Information
■
The MC+1-3 central control module is powered by the group 1 power supply
unit.
■
The MC+1-3 central control module has a plug-in card (MSUB-MRAM) with
128 Mbytes of main (random access) memory.
Please note:
■
The MC+1-3 central control module has a CompactFlash slot (MSUB-MFL,
PCMCIA interface) for CompactFlash cards. The following data are stored on
the CompactFlash card: the OpenCom 510 firmware, the system terminal
software, the configuration data and all customer data such as audio files for
the internal voice mail system.
■
The Ethernet port (10/100 Mbits/s) can be used to connect the OpenCom 510
to the LAN.
■
The V.24-1 interface can be used to connect additional apparatus, e.g. a com-
puter for analysing call charges.
For information on the V.24 interface pin assignment, refer to COM Port starting
on page 52.
Indicators
There are four LEDs on the front of the MC+1-3 central control module.
This plug-in card must not be exchanged by service person-
nel. In the event of a malfunction, the entire MC+1-3 central
control module must be sent in for repair.
Note: Only licensed cards may be used. These are currently
(May 2004) special 256-Mbyte cards by SanDisk. Contact your
DeTeWe distributor or local retailer if you want to purchase
one of these cards.
MC+1-3
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