RTS WM300 Instrukcja Użytkownika Pobierz pdf (Strona 4)

SECTION I:

DESCRIPTION AND SPEClFICA TIONS

1.2 MODEL PSIS SPECIFICATIONS

1.1 DESCRIJYrION

Outputs

One powered channel, CHI, (audio + DC + 200

ohm/400 ohm 10% termination}, and one passive chan-

nel' CH2, (audio + 200/400 ohm 20% termination}.

The Model PS 15 Power Supply is designed to work within

the TW Intercom System. The PS 15 is suitable for small to

medium sized TW Intercom Systems.

Output Voltage

No Load

Full Load

32.0 +2.0. -1.0 volts

24.0 volts. nominal

The unit is self-contained and features two-channel opern-

tion: one "wet" channel with 24 to 32 volts DC and one

"dry" channel without voltage potential. Each channel

provides an audio termination impedance of 200 or 400

ohms (switch selectable).

Output Impedance

200 or 400 ohms 20%. switchable. On powered

channel. 200 ohms. nominal. is maintained from 18.0

to 33.0 volts.

This power supply allows speech signals and DC to exist on

the same wire (Channel I). The power supply's outputs are

protected against short circuit conditions with recovery

being automatic and instantaneous.

Output Current

S13nd'Jfd Option

*p Option (234 V)

#D Option (IOOV)

Fault Current

.9 ampere at 21/+4-2 volts. DC

.8 ampere at 21/+4-2 volts. DC

1.5 amperes at 0.0 volts. DC

A single PS 15 Power Supply can power 6 to 30 user stations

(depending on model and combination -see specifications).

Signal Level

Nominal

Maximum

If still more user stations are needed, two PS 15 Power

Supplies can be coupled together to double the powering

capability: a 1/4-inch 3-circuit phone jack is available on

each power supply for this purpose. This connector can also

be used as a one-way output port when monitoring or

recording the intercom audio signals.

2.0 volts peak to peak

5.0 volts peak to peak

Frequency Response

100 hertz to 20 kilohertz +1, -5 dB

When two PS15 supplies are combined. toggling a rear

pmlel switch on each supply will keep the audio level

constallt. Two PS 15. s can power as many stations as a PS31

(with DC load evenly distributed between the two supplies).

Since the PS31 supplies more voltage than the PS15 under

full load. the PS31 is better suited to power a large system

spread over a large area.

Signal-to-Noise Ratio

Reference 2.0 volts. peak to peak: 60 dB nomina]

Mains Voltage

Standard

*POption

#D Option

117 volts :t10%. 50 -60 hertz

234 volts :t10% 50-60 hertz

100 volts +10%. -5%.50-60 hertz

There are two XLR-type 3-pin male connectors mounted on

the rear panel for output interconnection to the user stations.

Mains Amperes

0.40 at 117 volts :t10%, 50-60 hertz

0.20 at 234 volts :t10%, 50-60 hertz

0.40 at 100 volts +10%, -5%,50-60 hertz

The PS 15 has been designed to meet UL 1419 specifications

(professional Audio and Video Equipment).

Environmental

Temperature

Operating

StoralJe

Humidity

The PSIS Power Supply may be used in portable applica-

tions (use optional MCP8 channels) or in standard EIA

equipment racks (use optional MCPl or MCP2 rack mount-

ing kits).

00 to 50°C

-40° to 70°C

0 to 95(.70, non-condensing

Dimensions

Height

Width

Depth

The PS 15 is one rack unit high and one-half rack wide. A

single PS 15 may be rack -mounted singly or two PS 15. s may

be mounted side-by-side.

1.72 inches (44 millimeters)

8.186 inches (207.9 millimeters)

8.33 inches (211.6 millimeters)

Weight

PSl5

MCPl

MCP2

4.29 pounds (1.95 kilograms)

1.0 pounds (0.454 kilograms)

Finish

Thennoplastic front panel. aluminum case. light gray

finish

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