SX-200 General Information Guide
236
Revision A
50003510
DTRX Messages
DTRX message code used to standardize messages between Mitel Networks PBXs as well as
different language text. Intelligent devices can interpret these codes.
E and M
A type of tie trunk. Also the signaling method used for this and for other types of trunks. The
term is derived from the use of the E and M leads forming part of the trunk equipment, and
taken respectively to denote the receive and transmit leads. The two leads are used to pass
supervisory conditions over the trunk.
End Node
A network node that supplies information to the network but does not receive information from
the network.
Fiber Interface Module (FIM)
The Fiber Interface Module supports the transmission of voice and data signals over fiber optic
cables. The FIM plugs into the Control FIM Carrier.
Forced Account Code
When the forced account code feature is entered in a station’s class of service, the user at that
station must dial a valid account code each time an outgoing trunk call is made. If it is not
entered in a user’s COS, the user is denied access to the trunk. The account code appears as
part of the SMDR record.
Full Duplex
A method of operation which allows simultaneous transmission from both ends of a
communications link.
Ground Button
See Recall Button, page 240.
Ground Start
A particular type of trunk circuit on which a ground condition is applied to the ring lead of the
trunk when an outgoing call seizes the trunk.
Hard Hold
A station user, or an attendant, puts another party on hold, and can perform any of the functions
which are normally available at the station (as opposed to consultation hold, which restricts the
functions which can be performed).
Hot Repair
A system can allow maintenance or repair action to be performed without power being removed
from the system first.
Summary of Contents for SX-2000 EL
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