Nortel DMS-100 Series Maintenance Manual page 51

The ISDN line drawer includes the following key components:
•
•
•
The following figure shows the layout of the ILD-R, the location and
numbering of line cards, and the line subgroup arrangements.
Figure 2-13 ISDN line drawer (NT6X05DA) components
INSV
LC
Fail
10
LEDs
LC
5
PUPS
OK
LC
0
Drawer
front
Note: This illustration is not drawn to scale.
NT6X54DA - IDC card
NTBX27AA - ISDN U-interface line card
NTBX71AA - ISDN point of use power supply (PUPS)
LC LC LC
11 12 13
LC LC LC LC
6 7 8 9
LC LC LC LC
1 2 3 4
LSG 0
NTBX27 line cards
NT6X54DA IDC
DMS-100 Family NA100 Star Remote System XPM15 and up
Star Remote System hardware 2-31
LC LC LC LC
10 11 12 13
LC LC LC LC LC
5 6 7 8 9
LC LC LC LC LC
0 1 2 3
LSG 1
4
NTBX71AA
PUPS
Loop tester
(future product)
Connectors