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4.1.2. Bottom Cover Face
Telephone Line Connector
The telephone line is connected to the central pair of
pins (two pins nearest to the connector axis). The
polarity is arbitrary. The galvanic isolation of the PBX
and GSM Gateway is provided In the PBX.
Mains Supply Connector
The mains supply connector is used for PCs and is
thus identical in practically all countries. In all
countries, a power cable is used whose other end
(wall socket end) meets local regulations and socket
dimensions. The protective pin (in the middle) is
connected with the GSM Gateway cover and used
as the first over voltage protection stage for the
telephone line circuits. For security and functional
reasons, it is necessary that the pins earthed!
4.1.3. Front Cover Part Disassembly
The remaining elements such as the fuse are not
accessible until you remove the front cover part, which
is clicked into the bottom cover part slots and held by
its own flexibility. First remove the upper cover face to
grasp the front cover part easily and pull it out.
Fig. 6:
Front cover disassembly
Fig. 5.:
Bottom cover face:
1 – telephone line connector
2 – AC mains connector
Summary of Contents for ATEUS 501101E
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