Features and Specifications Manual
E3 – 305
Doc.
No. 8201 -
Release 1.0
July 2003
E&M Tie Lines (4-Wire)
E-3
FEATURE
DESCRIPTION
E&M Tie Lines (4-Wire) can be connected to the system. Tie lines provide
access to and from remote systems and facilities. The system can receive
and/or transmit DTMF or Dial Pulse signals on E&M Tie Lines.
SYSTEM
AVAILABILITY
Terminal Type
All terminals
Required Components
TLI(2)-U( ) ETUs
OPERATING
PROCEDURES
1.
Dial the Trunk Group Access Code assigned for E&M Tie Lines.
2.
Dial the station to be called, or if using Uniform Numbering Network,
dial the distant system number and the station to be called, or dial the
Trunk Access Code and number to be called.
- OR -
3.
Press the line key with direct E&M Tie Line appearance, and receive a
dial tone.
4.
Dial the station to be called if using Uniform Numbering Network, dial
the distant system number and the station to be called, or dial the
Trunk Access Code and number to be called.
SERVICE
CONDITIONS
Data Assignment
Each port of the TLI(2)-U( ) ETU can be programmed to send and
receive DTMF or Dial Pulse signalling (10 or 20 pps) on E&M Tie
Lines.
Dial tone can be sent or disabled on E&M Tie Lines to distant systems
via System Programming (default: Send Dial Tone).
Access to E&M Tie Lines can be denied, per line/per station, via
Outgoing Restriction.
Each station in the system can be restricted to a maximum number of
digits that can be dialled out on a Tie line when Code Restriction is
programmed in System Programming.
To originate a call:
