Chassis Dimensions And Features; Front Panel Features - Federal Signal SelecTone Command Units 300VSC-1 Manuel D'installation Et D'entretien

Installation and Maintenance Manual
The Model MNC-1 microphone is a hand-held, noise canceling microphone that is ideal for use as a local
microphone. The Model MSB-1 microphone is a base-station type microphone designed for desktop
operation.
The Model 300VSC-1 is intended to be installed indoors on a desktop or other flat surface.
The Model 300VSC-1044B is a rack-mountable unit complete with mounting hardware. It fits any standard
19-inch rack-mount cabinet.
The Model 300VSC can be used for a variety of prioritized signaling purposes, such as playing background
music, auxiliary fire alarm, evacuation alarm, start and dismissal, paging, and other emergency warning
applications. The system can be automated if external devices such as heat detectors, switches or program
clocks are connected to the remote control inputs. Additional advantages of the Model 300VSC include
economical system expansion along with long-term system flexibility.
The Model 300VSC generates and amplifies tone and audio signals and applies them through signal lines
to the remote SelecTone devices in the system. The Model AM25CK Connector Kit is required in each
SelecTone device to connect the them to the signal line. Speakers designed for 25-volt operation can connect
directly to the 25-volt output. The 300VSC has provisions for up to four SelecTone tone modules of your
choice. The tones are designated as
activated locally by its associated pushbutton switch on the front panel or by a contact closure at the
associated remote control input. Whenever a tone is activated, either locally or remotely, its associated front
panel pushbutton LED lights to indicate that the tone has been activated. The LED remains lit until the tone
is deactivated and the contact closure is removed. All 300VSC controls are located on the front panel.
Product details and features are described in the next sections. For complete product specifications, see
Table 1 on pages 8 through 10.

Chassis Dimensions and Features

The Model 300VSC-1 is assembled in a black, brushed-aluminum, two-piece housing approximately
10.50 in (26.67 cm) wide by 9.25 in (23.50 cm) deep by 2.44 in (6.2 cm) high. It is intended to be placed
on any flat horizontal surface, or it can be wall-mounted using the wall mounting brackets supplied in
the accessory kit. The housing is held together with four screws: two on the bottom near the front and
two at the back near the terminal blocks.
The Model 300VSC-1044SB is assembled in a three-piece aluminum housing. The housing is painted
black and is 19.0 in wide x 10.0 in deep and 3.5 in high. This unit is installed in a standard 19-inch rack-
mount cabinet.
The 300VSC comes equipped with a US 120 Vac power cord and a 240 Vac (UK-EL210) power cord.

Front Panel Features

The front panel has a green LED to indicate the presence of primary power. The 300VSC can be
operated from either a 240 Vac, 120 Vac, or a 24 Vdc power source. The 120 Vac and 240 Vac power is
connected via the supplied power cords, and the 24 Vdc power connects via the rear terminals.
The front panel switches are designated as
tone corresponding to each switch can be labeled in the white area next to the switch with a permanent
felt-tip marker. If you are changing a tone or message, remove the marking by lightly rubbing it with a
rag dampened with denatured alcohol. To avoid damaging the switches, ensure that the alcohol does not
come in contact with them.
6
TONE 1
Model 300VSC-1 and Model 300VSC-1044SB SelecTone Command Units
, TONE 2 , TONE 3 , and
TONE 1 TONE 4
through
TONE 4 . Each tone can be manually
AUX TEST
, , , and
CANCEL
. The