Installation And Wiring - Aastra AXD Installation And Maintenance Manual

4.2.2.6

Installation and wiring

The ADS 300XD power supply module is supplied with a battery connection cable fitted
with a 4 pin connector, with a centring piece to prevent polarity inversion when connecting
the backup battery.
4.2.3 ADS 350X (AXL iPBX)
4.2.3.1 Description
Note : ADS 350X is the power supply module of the main cabinet and expansion cabinet of an AXL
iPBX. It replaces the ADS300 X module, and offers extra 50 W and an enhanced cooling
system (a plate has been added to the left side).
An optional, external 48V backup battery can be installed.
4.2.3.2 Functional description
The two power supplies include the following functional blocks:
• A 48V converter supplying the following voltages:
- +5 V/15 A,
- -5 V/0.5 A,
- +12 V/0.5A. This value does not include the fan power supply current,
- -12 V/0.65 A,
- -48 V / 2.9 A (DECT phone sets and base stations)
- 40 V (ISDN) / 0.7 A
- ringer 70 V / 0.2A
• a 48V rectifier supplying a 7 A current, used as follows:
- 2.1 A for the converter
- 2.9 for the DECT telephone sets and base stations
- 2A to charge a 16 Ah battery for 10 hours providing the system with 4 hours
autonomy.
The rectifiers of several power supplies can be connected in parallel. The rectifier
can be connected to a 115 V or 230 V (+/- 10%) mains, 50 Hz or 60 Hz, without
configuration,
• two fans supplied by the converter 12V DC voltage draw air towards the rear of the
cabinet.
AMT/PTD/PBX/0058/4/6/EN
Page 130 01/2011
Installation and Maintenance Manual - Aastra 5000
Description des sous-ensembles