Appendix
ISDN socket
The standardised socket for connecting ISDN devices in Deutsche Telekom’s ISDN.
LED
Light emitting diode: an electronic component for visual signalling.
MCID (Malicious Call Identification)
An ISDN feature enabling malicious callers to be identified in the telephone exchange.
ML PPP
Multilink
Multiple Subscriber Number (MSN)
A
Multi-terminal connection
You can operate up to three terminals without power supplies and five additional ter- minals with their own power supplies on a
MWI
Message waiting indication. There is a voice or fax message waiting in your
NDIS
Network Driver Interface Specification – a driver structure developed by Microsoft enabling the connection of several PCs in a network.
NTBA
Network Termination Basic Access. This is the network terminator, a small box that converts a
NTBBA
Personal identification number (PIN)
You need the PIN to start the configuration mode. The default setting on delivery is 0000. We strongly recommend you to change this PIN and keep the new one in a safe, secret place, in order to prevent unauthorised persons from gaining access to the configuration mode.