System information

221 02-FGB 101 544 Uen A – September 2008 15
2.2.3 Internal WLAN Antennas
The W3x terminals have two internal WLAN antennas (omni-directional).
The antennas are mounted orthogonally for best performance.
2.3 Power Supply
The W3x terminals can be powered from:
• AC Mains via an external AC/DC power adapter (10-28 VDC)
• Battery pack (backup).
2.3.1 Power Adapter
The provided power adapter has the following characteristics:
Input: 100-240V AC, 50-60 Hz, 3 pole AC inlet connector (IEC 320 power
inlet).
Output: 12 VDC.
Power consumption: 7.0 W (typical) and 11.4 W (maximum) for W30 and
9.0 W (typical) and 12 W (maximum) for W35.
National power plugs are available for EU, UK, US and AU.
Figure 9 - Power adapter with national plugs
2.3.2 Battery Backup (W35)
The W35 terminal can be powered with a rechargeable battery pack to
provide voice redundancy in the event of a total mains power failure. Talk
time is typically 3-4 hours. The battery pack is available as an accessory
and is inserted between the AC/DC adaptor and the W35 terminal.
Figure 10 - Battery pack
A battery charger that recharges the battery is located in the battery pack.