Cooper Menvier 9752, Installation And Programming Manual

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3. Installation
In the event of problems you should contact your equipment supplier in the
first instance.
The built in communicator has been approved for the following usage:
(a) Automatic call initialisation.
(b) Operation in absence of proceed indication.
(c) Automatic Dialling.
(d) Modem.
(e) Serial Connection.
(f) Multiple Repeat Attempts.
(g) Line Status Monitoring.
Usage other than approved usage or failure to comply with the installation
and programming instructions may invalidate any approval given to the
apparatus, if, as a result, the apparatus ceases to comply with the standards
against which approval was granted. Note the approval label on the main
PCB.
REN
The Ringer Equivalence Number (REN) of the built in communicator is 1. As
a guide to the number of items of apparatus which can be simultaneously
connected to an exclusive line, the sum of the REN values should not exceed
4. A BT provided telephone is assumed to have a REN value of 1.
Safety Notice
The terminals on the 9751 and 9752 control unit main pcbs are described as
Safety Extra-Low Voltage circuits (SELV), according to the definitions in
Safety Standard EN60 950.
The terminals on the built in communicator are described as SELV or Tel-
ecommunications Network Voltage (TNV) according to the definitions in
Safety Standard EN60 950.
Note: The labels "SELV" and "TNV" which are shown in Figure 17 are for reference
only and do not appear on the 9751 or 9752 main pcbs.
It is important that the installer ensures that TNV terminals are connected
ONLY to the PSTN or other circuits designated as TNV circuits. SELV
terminals must be connected ONLY to other circuits designated as SELV
circuits. Strict adherence to the installation instructions will ensure that the
equipment continues to comply with safety regulations to which it was ap-
proved.