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3. Installation
(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
Telephone Line
Connections
RJ11
Connector
T.N.V. cct.
T.N.V. cct.
Lid tamper Connector
S.E.L.V. cct
Main Connector
Battery Connector
S.E.L.V. cct
S.E.L.V. cct
S.E.L.V. cct
Wire in Comms
Connector
S.E.L.V. cct
Plug-by Comms
Connector
S.E.L.V. cct
Plug-by Comms
Connector
Printer
Connector
S.E.L.V. cct
Local Downloader
Connector
S.E.L.V. cct
21VAC from
Transformer
S.E.L.V. cct
Figure 19. SELV and TNV Connectors on the 9851
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