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ページを印刷するPower-Up Check
Power-Up Check
Plug in any DC wallpacks that are being using with indi-
1.
vidual intercom stations.
NOTE: If you plug in DC wallpacks after applying power to
the PS2001L or SPS-2001, you may get an overload
indication. This is because the stations that are being
powered by wallpacks will draw current from the units until
their own DC wallpack supplies are connected. To correct
the problem, plug in the DC wallpacks.
Plug in the AC power cords for any connected PS-2001L
2.
or SPS-2001 Power Supplies. The channel status
indicators should be green.
If a channel status indicator turns red during operation,
3.
locate the short or overload that is causing the problem.
Once the short or overload is corrected, the Power Supply
should reset itself and the overload indication should go
away.
Specifications
General
Input Power Requirements
100 to 240 VAC, 50/60 Hz
Output Power (each channel)
21 ±1 VDC, 2 A
Dimensions
1.75" (44.5 mm) high x 8.25" (209.5mm) wide x 10.31" (261.9mm) deep
Weight
approximately 2.5 lb. (1.13 kg.)
Environmental Requirements
Storage:
-20° C to 80° C, 0% to 95% humidity, non-condensing
Operating:
0° C to 50° C, 0% to 95% humidity, non-condensing
Intercom Channels (General)
Connector Type:
One XLR-3M audio connector for each channel. Pin-out depends on setting
of BAL/UNBAL switch for balanced or unbalanced operation as defined
below:
Balanced Mode (set to BAL position)
Line Terminating Impedance: 300 ohms ±10%
Connector Pinout
Pin 1
Common (audio and DC return)
Pin 2
Full-duplex, balanced intercom audio and +24 VDC output
Pin 3
Full-duplex, balanced intercom audio and +24 VDC output
Unbalanced Mode (set to UNBAL position)
Line Terminating Impedance: 150 ohms ±5%
Connector Pin-out:
Pin 1
Common (audio and DC return)
Pin 2
+24 VDC output
Pin 3
Full-duplex, unbalanced intercom audio high
Speaker Inputs (SPS-2001 only)
Type:
RCA Phone Jack
Tip:
Speaker + Input
Sleeve: Speaker - Input
Approvals
UL, CUL, CE
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