User's Manual
79
2.3.4 Alarm Relay Specifications
Table 2-49 Alarm relay specifications
Model: JRC-27F
Material of the touch Silver
Rating (Resistance
Load)
Rated switch capacity 30 VDC 2 A, 125 VAC 1 A
Maximum switch power 125 VAC, 160 W
Maximum switch voltage 250 VAC, 220 VDC
Maximum switch currency 1 A
Insulation
Between touches with same
polarity
1000 VAC 1 minute
Between touches with different
polarity
1000 VAC 1 minute
Between touch and winding 1000 VAC 1 minute
Surge voltage
Between touches with same
polarity
1500 V (10×160 μs)
Length of open time 3 ms max
Length of close time 3 ms max
Longevity
Mechanical 50 × 106 MIN (3 Hz)
Electrical 200 × 103 MIN (0.5 Hz)
Temperature -40 °C to +70 °C
2.4 Two-way Talk
2.4.1 Device-end to PC-end
Procedure
Step 1 Connect the speaker or the pickup to the first audio input port on the device rear panel.
Step 2 Connect the earphone or the sound box to the audio output port in the PC.
Step 3 Log in to the web and then enable the corresponding channel real-time monitor.
Step 4 Enable two-way talk.
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