Computer Hardware Installation Guide

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 Off

1–2 1–2

DID 0–600 ohms Off Off

1–2 1–2

RAN: continuous

operation mode

Paging

Not applicable: RAN

and paging trunks

should not leave the

building.

Off Off

1–2 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