2n® bluetower, Basic dimensions, Front side division – 2N StarGate/BlueTower v5.4 User Manual
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2N® BlueTower
Basic Dimensions
2N BlueTower
®
is the smallest of the
gateway family, featuring the
2N PRI
®
capacity up to 8 GSM / UMTS channels. The system is integrated in a small 19" subrack
of the height of 3U, width of 29HP and depth of 320mm. The front side is open,
equipped with slots for plug–in boards with front panels. The panel includes the main
switch. In case not all GSM / UMTS cards are plugged in, the vacant section of the front
side must be covered with a fixed panel(s). An optional antenna splitter can be
installed.
The whole backside is covered with a panel with a built–in safety–fuse box and power
socket. The main power supply unit is inside the system and is fully designed for
passive cooling. The bottom and upper sides are covered with EMC sheet.
The system bus is designed as a printed circuit board (PCB) with DIN connectors and
fitted to the inner subrack carrier profiles.
Front Side Division
The subrack width is divided into 7x4HP–wide modules in the following sequence (from
right to left):
VoIP version
VoIP card
4HP
Basic or enhanced CPU card
4HP
Empty position
4HP
GSM or UMTS cards (one for two GSM / UMTS channels)
Remaining
space
(each
4HP)
ISDN version
Empty position
4HP
Basic or enhanced CPU card
4HP
1ISDN PRI or 2ISDN PRI card
4HP
GSM or UMTS cards (one for two GSM / UMTS channels)
Remaining
space
(each
4HP)