Nortel Networks Circuit Card - Manual (Page 617)

NT8D14 Universal Trunk card Page 617 of 906
Circuit Card Description and Installation
Table 191
Jumper strap settings – extended range (NT8D14BA, NT8D14BB, NT8D14BB)
Trunk types
Loop length
Jumper strap settings (Note 1)
J1.X J2.X J3.X
J4.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
level start modes Not applicable: RAN
trunks should not leave
the building. Off Off 2–3 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.
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.