Page 22 01/2007 AMT/PTD/PBX/0020/2/4/EN
2.2 DECT radio base stations
2.2.1 Physical description
A DECT base station consists of a plastic housing and an electronic card. The electronic card
manages the ISDN interface. One radio module mounted on the card manages the radio
interface. A DECT base station is equipped as standard with two quarter-wave antennas
integrated into the unit. To obtain polarization diversity, one is horizontal and the other vertical.
Note: You are advised against repainting the housing without written consent from
manufacturer.
In release 3.2 and later, a new base station may be installed on any F4 and F6 device. The new
base station is physically identical to the old M6241 base station. Only obsolete components of
the electronic card are replaced.
Table 1: DECT base station references
Sealed unit for outdoor base station
Installation of base stations outdoors without a sealed unit is prohibited:
• sealed unit (reference HR1738A) for installing a base station without external antenna.
• securing kit (reference HR1755A) for mounting the sealed unit on a post.
Mounting the base station
Base stations must be installed vertically. Remove the base station housing by sliding it upwards.
Attach the base station to the wall using two screws, respecting the necessary distances
between the base stations and any obstacles.
BS (Base station) Reference
Old M6241 base station RB1734E
New M6241 base station RB1831A
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