User guide

!! Preliminary version of user guide v1.8 !!

1. Description - General Design

1.1. Dimensions

1.1.1. Basic Dimensions

1.1.1.1 2N StarGate / BlueStar

The system is integrated in a 19’’ subrack of the height of 3U and depth of 360mm. The

front side is open, equipped with guides for plug-in boards with front panels – the panel

including a mains switch is part of the subrack. In case not all GSM boards are plugged in, the

free section of the front side must be covered with a fixed panel (fixed panels).

The back side is completely covered with a panel with a built-in ventilator, which is

switched by a thermostat for higher reliability and longer life. An AC mains supply unit is located

in front of the ventilator. The bottom and upper sides are covered with perforated sheet, the

assembly flanges are provided with handrails.

The system bus is designed as a printed circuit board (PCB) with DIN connectors and

fitted to the inner subrack carrier profiles.

1.1.1.2 2N BlueTower

The system is integrated in a small 19’’ subrack of the height of 3U and depth of 320mm.

The front side is open, equipped with guides for plug-in boards with front panels – the panel

including a mains switch is part of the subrack. In case not all GSM boards are plugged in, the

free section of the front side must be covered with a fixed panel (fixed panels).

The system bus is designed as a printed circuit board (PCB) with DIN connectors and fitted to

the inner subrack carrier profiles

1.1.1.3 2N StarGate 3G Extension rack

To use 2N StarGate with 3G extension card you need an extension rack (part No.

507050E). This 19“ subrack is 6U high and 360mm deep. Its front side open to accept plug-in

boards. There are two antenna connectors for 3G YAGI antennas on its backside. Before

attaching the 3G extension rack you have to replace the existing StarGate GSM cards with 3G

extension cards (part No. 507059E).

1.1.2. Front Side Division

The subrack width is divided into an 8HP-wide mains panel and 19 4HP-wide modules in

the following sequence (from right to left):

Board Type Size StarGate BlueStar BlueTower

8HP fixed panel with a mains switch, fuse

and mains cable socket

8HP YES YES NO

CPU board 4HP YES YES YES

AUX board 4HP YES YES YES

PRI board 4HP YES YES YES

GSM board 4HP Up to 16x Up to 8x Up to 4x

3G extension card 4HP Up to 16x NO NO

3G card (one channel) 4HP Up to 16x Up to 8x NO

3G card (two channels) 4HP Up to 16x Up to 8x Up to 2x

Thin VoIP card 4HP YES YES YES

Internal antenna splitter BlueStar 32HP NO YES NO

Internal antenna splitter BlueTower 8HP NO NO YES*