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1 HSM2955(R) Installation Manual
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1 HSM2955(R) User Guide
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Figure 1: Installation in the Cabinet.
2. Installation
2.1 HSM2955(R) installation
The HSM2955(R) module must be installed by Service Persons only. It must be installed in a metal
cabinet properly grounded. It is the installer's responsibility to ensure a degree of protection for the
equipment such that no access to the Telecommunications Network Voltage (TNV) circuit is given
to the end user. The metallic cabinet must be secured to the building structure before operation. A
proper ground connection must be provided for the metal cabinet. Internal wiring must be routed
in a manner that prevents:
excessive strain on wire and on terminal connections
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loosening of terminal connections
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damage to conductor insulation
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Follow these steps to install the HSM2955(R) audio interface module and audio stations. Review
this section to get an overall understanding of the order of installation. Once this is done, carefully
work through each step.
1.
Insert the 5 stand- offs provided in the position indicated in Figure 1. The stand- offs will
make an audible 'click' when positioned correctly.
2.
Position the module over stand-offs, press firmly to ensure that the module locks in place.
3.
Wire the module to the control panel, microphones, speakers as required (Figure 2).
NOTE: Do not use shielded wire on Corbus wire runs. The distributed capacitance of shielded
wire can significantly reduce signal quality and range. 22AWG shielded wire is recommended for
audio connections only.
4.
Program module as required (see section 4 Programming).
5.
Verify operation.
2.2 Audio station wiring
Up to four audio stations (4 microphones and 2 speakers) can be connected to the HSM2955(R)
audio interface module. See compatible combinations below:
4 small stations (PC5961E);
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2 large stations (PC5964E); or
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1 large and 2 small stations
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WARNING: HIGH VOLTAGE! Disconnect AC
power and telephone lines prior to servicing.
CAUTION! Do not route wiring over the HSM2955
(R) module. Maintain at least 1" (25.4mm) sep-
aration. A minimum distance of 1/4"(6.4 mm) must
be maintained at all points between power limited
and non-power limited wiring. All circuits are clas-
sified for UL installations as Power Limited/Class
II Power Limited, except for the battery leads
which are not power limited. Do not route any wir-
ing over circuit boards.
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