TIE LINES

TIE LINES

General Description

This feature allows any station user dial access or direct access to an E&M Tie Line.

Station Application

All stations.

Operating Procedure

To dial access an E&M Tie Line

1.Lift handset and receive dial tone.

2.Dial E&M Tie Line access code.

3.Dial desired number.

To directly access an E&M Tie Line

1.Lift handset or press Speaker key and receive dial tone.

2.Press line key assigned E&M Tie Line.

3.Dial desired number.

Service Conditions

1.Tie Line access may be denied to individual stations through Class of Service.

2.When a power failure occurs (without reserve power backup), all existing E&M Tie Line connections and access to E&M Tie Lines is lost.

3.Each tie line group can be programmed for both rotary and pushbutton address signaling (incoming and/or outgoing).

4.The system can only be equipped with dial repeating tie lines. Immediate start, delay dial, or wink start sig- naling is available.

5.When a trunk route access code is dialed by a station user, the tie line route is used to index a trunk route restriction table to determine if the call attempt is allowed. If access is restricted, reorder tone is provided.

6.The system can be programmed to supply second dial tone on incoming E&M Tie Lines.

7.Both 2 and 4-wire, Type I and Type V, E&M Tie Lines can be connected.

8.When 4-wire E&M Tie Lines are connected, the following pad control can be assigned:

• Station to Tie Line -

0

to –12 db.

C.O. to Tie Line -

0

to –4 db.

Tie Line to Tie Line -

0

to –4 db.

9. An ODT card is required for 2- or 4-wire E&M Tie Line interface.

NEAX2000 IVS2

 

Business/Hotel/Data Features and Specifications

Page 305

NDA-24271, Issue 1.0

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NEC NEAX 2000 specifications TIE Lines