2.3.4 Alarm Relay Specifications
Table 2-46 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.
User's Manual
73
Summary of Contents for NVR2104-I2
Page 1: ...ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V2 3 3 Network Video Recorder User s Manual...
Page 84: ...Figure 2 98 Alarm input port 1 User s Manual 71...
Page 132: ...Figure 5 8 Unlock pattern login User s Manual 119...
Page 147: ...Figure 5 23 AcuPick human detection User s Manual 134...
Page 151: ...Figure 5 27 Shortcut menu 1 User s Manual 138...
Page 217: ...Figure 5 93 Custom search 2 Step 8 Configure the search conditions as needed User s Manual 204...
Page 326: ...Figure 5 197 TCP IP Step 2 Click to configure the NIC card and then click OK User s Manual 313...
Page 376: ...Figure 5 247 Pattern login User s Manual 363...
Page 412: ...Figure 5 285 File management Step 2 Click Add User s Manual 399...