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26
Connection of analog Devices
The
extent
of
supply
of
COMmander 8a/b module. Thanks to this you can connect eight analog
telephones, fax machines etc. The connection of these devices to the
clamps will be made with attached wall jacks that are connected with tel-
ecommunications cable (e.g. JYY 0,6 mm). You are in need of one wire
pair per subscriber or per wall jack. If you use a wire diameter of
0,6 mm, the lines may have a distance of 800 m between the
COMmander Basic and the wall jacks.
In order to avoid interferences, lay the wires carefully and use twisted
pair cables. And avoid longer parallel leading of the lines especially next
to power supply cables.
The subscriber clamp pairs are labelled with Tn 1 to Tn 8. This clamp
labelling is printed in front of the clamp on the circuit board.
The clamp blocs can be detached from the controller to simplify the
installation. The wires, stripped at the end, are shoved into the assigned
openings (see
Pic. 31 on page
tact has been reached. In order to remove a wire again, you have to
open the clamp by pressing the orange key that is on top of the opening
with a screw driver or a similar tool.
Connect each clamp pair (e.g. Tn 1) with the connector a and b of a sin-
gle wall jack (see
Pic. 32 on page
The analog subscriber connections are not intended for the
connection of external extensions. If a connecting line for a
telephone has to be laid outdoors, the PBX will have to be
protected by a lightning protection against overvoltage from this line.
The lightning protection modules BSM-200 and BSM-400 (Auerswald
accessory) are suitable for this purpose.
On the COMmander 8a/b module a connection clamp pair with the
name DIS for the connection of a system display SD-420 (special equip-
ment by Auerswald) is available. The system display can only be con-
nected with the COMmander Basic with an attached TAE wall jack
similar to other analog telephones (see
Devices on page
26).
Pic. 33: TAE wall jack for SD-420
Connection of analog Devices
the
COMmander Basic
has
26) until the right position for proper con-
26).
Connection of System Display SD-420
chapter Connection of analog
one
Pic. 31: Subscriber
clamps
Pic. 32: Wall jacks for analog tele-
phones
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