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2.4 Connections
• Micro-SD Card Insertion
User can install and change Micro-SD card as shown in the following picture.
1. Open the Micro-SD card cover.
2. Install or change Micro-SD card.
3. Close the Micro-SD card cover tightly to ensure waterproofing.
• Connecting to the RJ-45
Connect a standard RJ-45 cable to the network port of the camera. Generally a crossover cable
is used for directly connection to PC, while a direct cable is used for connection to a hub.
• Connecting Alarms
– A1, A2, A3, A4 (Alarm Input 1, 2, 3, 4)
You can use external devices to signal the camera to react on events. Mechanical or electrical
switches can be wired to the A1, A2, A3, A4 (Alarm Input 1, 2, 3, 4) and G (Ground)
connectors.
– G (Ground)
NOTE: All the connectors marked G or GND are common.
Connect the ground side of the alarm input and/or alarm output to the G (Ground) connector.
– AO (Alarm Output)
The camera can activate external devices such as buzzers or lights. Connect the device to
the AO (Alarm Output) and G (Ground) connectors.
• Connecting Audio
Connect speaker to audio output line and external mic to audio input line.
