CNB HDS4848DV - Manual (Page 14)

14
ETC
• Audio Out: The DVR does not have amplified audio output, so you will need a speaker with and
amplifier.
• RS-232C: An RS-232C connector is provided to connect an ATM or POS machine for Text-In
function. Use a cable with a DB9 (female) connector to connect to the DVR.
• Network: Connect a Cat5 cable with an RJ-45 connector to the DVR connector for remote
monitoring, remote playback, and remote setup. See Chapter 3-2. DVR Configuration for
configuring the Network connections.
• USB: Four USB ports are provided to connect external devices like HDD, ODD, Flash memory for
Backup, System upgrade or USB mouse. Two USB ports are located on the rear panel and the other
two are on the front panel. A USB mouse can be connected only front panel USB port dedicated
only for mouse.
• Reset: The DVR has a Reset switch that will only be used to return all the settings to the original
factory settings. To reset the unit, turn the DVR off first. Turn it on again while poking the
straightened paperclip in the reset hole. Hold the switch until the DVR is initializing.
• Power Connector: Connect adapter cable to the power connector on the rear panel. (DC12V,
6.67A) Input AC power to the adapter. (free voltage from 100V to 240V, 50/60Hz)
Sensor Input
16(8) sensor input connectors are provided to connect external
devices. You can use sensors to signal the DVR with event. To make
connections on the terminal block, press and hold the button and
insert the wire in the hole below the button.
Alarm Output & RS485
16(8) alarm output connectors are provided to connect external alarms such as sirens or lights. 4
alarm output connectors have internal relays (Premium model only) and the others are TTL signals.
The RS485 connector can be used to control PTZ cameras. The DVR can also be controlled remotely
by a control keyboard.
• Front USB: Two USB ports are provided to connect
external devices like HDD, ODD, Flash memory for Backup,
System upgrade or USB mouse on the front panel. A USB
mouse can be connected only front panel USB port
dedicated only for mouse.
Note : This manual covers the 4-channel, 8-channel and 16-channel DVRs. The DVRs are identical
except for the number of cameras, audio inputs and alarms. The illustrations and descriptions in this
manual refer to the 16 channel model.