Software service entries – Nortel Networks 1000 User Manual
Page 707
Configuration
707
Table 279
E and M Trunk card - jumper strap settings
Mode of operation (Note 2)
2-wire trunk
4-wire trunk
DX tip & ring pair
Jumper
(Note 1)
Type I
Paging
Type I
Type II
M—rcv
E—xmt
E—rcv
M—xmt
J1.X
Off
Off
Off
Off
Pins 1–2
Pins 2–3
J2.X
On
On
(Note 3)
On
On
Off
Off
J3.X
Off
Off
Off
Off
(Note 4)
(Note 4)
J4.X
Off
Off
Off
Off
Pins 2–3
Pins 1–2
J5.X
Off
Off
Off
Off
(Note 4)
(Note 4)
J6.X
Off
Off
Off
Off
On
On
J7.X
Off
Off
Off
Off
On
On
J8.X
Off
Off
Off
Off
On
On
J9.X
Pins 2–3
Pins 2–3
Pins 2–3
Pins 2–3
Pins 1–2
Pins 1–2
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
Table 277 "E and M Trunk card - jumper strap settings" (page
to select the proper values for the trunk type being employed.
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
Table 278 "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
02.06
Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.