8(57)
Date
Rev
Documentnumber
Prepared
Doc respons/Approved
Checked
File/Reference
1999-07-15
V
1531-BDV 113 08 Uen
INSTALLATION INSTRUCTION
Subject responsible
4.2.2
Wall mounting
1
Mount brackets (SXA 112 4406/3), for all
cabinets, on the wall. See figure below
2
Mount the cabinets onto the brackets
3
Adjust the cabinets by pushing them
towards each other.
The "square holes" enable the cabinets to be moved to
both sides a few millimetres, that the contact springs of
the shielding gaskets always have good contact to one
another.
The lower retaining screws are used to secure the
cabinets in the correct position:
4
Mark the position of the screws and
remove the cabinet(s) from the wall
5
Drill and plug the retaining holes
6
Mount the cabinet(s) and secure them,
using all retaining screws.
4.3
Safety Rules
To fulfil electrical safety requirements IEC 950/
EN 60950 respectively EN 41003, the exchange must
be connected to protective earth. Local requirements
shall be adhered to. Before operating, ensure that the
chassis is connected to a hard wired protective earth.
Note: The wrist strap must have a 1MOhm series
protection resistor to comply to the safety
standards. If this resistor is missing, then
accidentally touching live wires can be leathal.
4.3.1
Safety statement for line connection
All line interfaces in the PBX are protected in
accordance with K.21 (voltage transients up to 1.5 kV).
BTU-A, BTU-A2, BTU-B, BTU-C, BTU-D and BTU-E
are working with interface TNV.
All other boards and the V.24 port work with interface
SELV.
390 mm
226 mm
188 mm
73 mm
Mounting of exchange cabinet 0-2
If more than one
cabinet, ensure
break-off piece
on 2
nd
/ 3
rd
bracket
fits tightly to previous
Break off and
remove, for the
Maximum 8 mm
between cabinets
SXA 112 4406/3
first cabinet
Drill holes for mounting brackets 23 mm higher
than the top of the cabinet.
Top of BDV 113 08
23mm
10,5mm
Front edge
Connection
for protective
earth
Cabinet 0
Wall
Label
SVB BS 101 02
Power switch
wrist strap
connector
From
To cabinet 2
To cabinet 1
protective
earth source
or integrated MDF
(only for
AUSTRIA)
snap-on
Label
SVB 101 03/1
cross sectional area greater than 6 mm
2
NOTE:If the earth is not connected,
a possible strike of lightning
might cause a fire!
NOTE: Make sure that a sound ground connection to
the exchange has been established. Other-
wise this can be hazardous in case of light-
ning.