Specifications

1 BitStorm 1900 Access Multiplexer Elastic Networks
1-2 BitStorm 1900™ Installation and Maintenance Guide 08-01101-01, Rev. 1.50
Figure 1-1: BitStorm 1900 Access Multiplexer Shelf with Cards and Components
BitStorm 1900 Shelf
The powerfully compact BitStorm 1900 Shelf supports 60 to 240 Ether-
Loop lines. Each BS1900 Shelf contains 13 card slots housing the fol-
lowing circuit packs:
• Ten (10) BitStorm Multiplexer Modem Cards
• Management Interface Unit (MIU) or Switch Card
•Power Card
• Blank Filler Card*
* The blank filler card is used whenever a fan tray is needed to keep the air
flowing properly through the unit. Blank filler cards are also used in any
empty card slots to keep the BS1900 shelf free of dust and to provide
proper air flow.
Air Baffle
3.5” x 18” x 13”
2 RU
Filter Shelf
5.25” x 17.5”x 11.75”
3 RU
MIU/Switch Card
Power Card
Blank Filler Card
BS1900 Shelf
12.1875” x 17.5”x 12”
7RU
Modem Cards
Fan Tray
3.5” x 18” x 13”
2RU
(A Fan Tray
is required with
6306, 6224, 10306
& 10224 CO
modem cards)