Nortel Circuit Card 311 Reference page 789

Table 305
E and M Trunk card - jumper strap settings
Jumper
(Note 1) Type I
J1.X Off
J2.X On
J3.X Off
J4.X Off
J5.X Off
J6.X Off
J7.X Off
J8.X Off
J9.X Pins 2–3
Note: Jumper strap settings J1.X through J9.X apply to all four units; "X" indicates the unit number,
0–3.
Note: "Off" indicates that no jumper strap is installed on a jumper block.
Note: Paging trunk mode is not zone selectable.
Note: Jumper strap installed in this location only if external loop resistance is greater than 2500
ohms.
Software service entries
The trunk type is selected by making service change entries in Route Data
Block, Automatic Trunk Maintenance (LD 16). The companding mode is
selected by making service change entries in Trunk Data Block (LD 14).
Refer to
787)
The trunk type is selected by making service change entries in the Trunk
Route Administration Program LD 16. The companding mode is selected by
making service change entries in the Trunk Administration Program LD 14.
Refer to
788)
Refer to Meridian 1 Software Input/Output Reference — Administration
(NN43001-611) for LD 14 and LD 16 service change instructions.
Copyright © 2003-2008, Nortel Networks
.
Mode of operation (Note 2)
2-wire trunk
Paging
Off
On
(Note 3)
Off
Off
Off
Off
Off
Off
Pins 2–3
Table 303 "E and M Trunk card - jumper strap settings" (page
to select the proper values for the trunk type being employed.
Table 304 "E and M Trunk card - jumper strap settings" (page
to select the proper values for the trunk type being employed.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
4-wire trunk
Type I Type II
Off Off
On On
Off Off
Off Off
Off Off
Off Off
Off Off
Off Off
Pins 2–3 Pins 2–3
Configuration 789
DX tip & ring pair
M—rcv E—rcv
E—xmt M—xmt
Pins 1–2 Pins 2–3
Off Off
(Note 4) (Note 4)
Pins 2–3 Pins 1–2
(Note 4) (Note 4)
On On
On On
On On
Pins 1–2 Pins 1–2