Nortel Networks 311 User Manual

Configuration

691

NT8D14BB, NT8D14BB)" (page 692)

, and

Table 252 "Trunk types -

termination impedance and balance network (NT8D14BA, NT8D14BB)"
(page 692)

show the functionality of these three jumpers.

Table 250
Jumper strap settings - factory standard (NT8D14BA, NT8D14BB)

Jumper strap settings (Note 1)

Trunk types

Loop length

J1.X

J2.X

J3.X

J4.X
(Note 2)

CO/FX/WATS

2-way TIE (LDR)

2-way TIE (OAID)

0–1524 m (5000 ft.)

Off

1–2

DID

0–600 ohms

Off

1–2

RAN: continuous
operation mode

Paging

Not applicable: RAN
and paging trunks
should not leave the
building.

Off

1–2

Note 1: Jumper strap settings J1.X, J2.X, J3.X, and J4.X apply to all eight units; "X" indicates the
unit number, 0–7. "Off" indicates that no jumper strap is installed on a jumper block. Store unused
straps on the universal trunk card by installing them on a single jumper pin as shown below.

Note 2: For the NT8D14BB card, J4.X is not provided on the card. The J4.X jumper setting
specified in

Table 250 "Jumper strap settings - factory standard (NT8D14BA, NT8D14BB)" (page

691)

does not apply.

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

01.04

Standard

Release 5.0

23 May 2008