Nortel Circuit Card Installation Manual page 617

Table 191
Jumper strap settings – extended range (NT8D14BA, NT8D14BB, NT8D14BB)
Trunk types
CO/FX/WATS
2-way TIE (LDR)
2-way TIE (OAID)
DID
RAN: pulse start or
level start modes
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 191 does not apply.
Loop length
> 1524 m (5000 ft.)
> 600 ohms
Not applicable: RAN
trunks should not leave
the building.
NT8D14 Universal Trunk card
Jumper strap settings (Note 1)
J1.X J2.X
Off Off
On On
Off Off
Circuit Card
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J4.X
J3.X (Note 2)
1–2 2–3
1–2 2–3
2–3 1–2
Description and Installation