Nortel Enterprise 1000 Reference Manual page 89

Table 12
Jumper strap settings – extended range (NT8D14BA, NT8D14BB,
NT8D14BB Release 10 and up)
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 Release 10 or later card, J4.X is not provided on the board. The J4.X jumper
setting specified in Table 12 does not apply.
Succession Communication Server for Enterprise 1000 Circuit Card Reference Guide
Analog Trunk Cards - NT8D14 Universal Trunk Card
Loop length
> 1524 m (5000 ft)
> 600 ohms
Not applicable: RAN
trunks should not leave
the building.
Jumper strap settings (Note 1)
J1.X J2.X
Off Off
On On
Off Off
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J4.X
J3.X
(Note 2)
1–2 2–3
1–2 2–3
2–3 1–2