NT8D14 Universal Trunk card Page 605 of 894

Table 186

Jumper strap settings – extended range (NT8D14BA, NT8D14BB, NT8D14BB)

 

 

Jumper strap settings (Note 1)

 

 

 

 

 

 

Trunk types

Loop length

 

 

 

J4.X

J1.X

J2.X

J3.X

(Note 2)

 

 

 

 

 

 

 

CO/FX/WATS

> 1524 m (5000 ft.)

Off

Off

1–2

2–3

 

 

 

 

 

 

2-way TIE (LDR)

 

 

 

 

 

 

 

 

 

 

 

2-way TIE (OAID)

 

 

 

 

 

 

 

 

 

 

 

DID

> 600 ohms

On

On

1–2

2–3

 

 

 

 

 

 

RAN: pulse start or

Not applicable: RAN

Off

Off

2–3

1–2

level start modes

trunks should not leave

 

 

 

 

 

the building.

 

 

 

 

 

 

 

 

 

 

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.

Note 2: For the NT8D14BB card, J4.X is not provided on the board. The J4.X jumper setting specified in Table 186 does not apply.

Circuit Card Description and Installation

Page 605
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Nortel Networks 553-3001-211 manual NT8D14 Universal Trunk card Page 605