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Peripheral Connections

The alarm input/output interface of the DVR is shown below:

The alarm input is an open/close relay. If the input is not an

open/closed relay, follow the connection diagram below:

To connect to an AC/DC load, use the following diagram:

For DC load, JP4 can be used within the limit of 12V/1A

safely. If the interface is connected to an AC load, JP4 should

be left open. Use an external relay for safety (as shown in the

figure above).

Installation Guide - DS-8104AH(L)I-S Series DVR

There are 4 jumpers (JP4, JP5, JP6, and JP7) on the

motherboard, each corresponding with one alarm output. By

default, jumpers are connected. To connect an AC load,

jumpers should be removed.

Note:

An external relay is needed to prevent electric shock

when connecting to an AC load.

To connect alarm devices to the DVR:

1. Disconnect pluggable block from the ALAM IN /ALARM

OUT terminal block.

2. Unfasten stop screws from the pluggable block, insert

signal cables into slots and fasten stop screws. Ensure

signal cables are in tight.

3. Connect pluggable block back into terminal block.

RS-485 Connection

To connect RS-485 of PTZ to the DVR:

1. Disconnect pluggable block from the RS-485 terminal

block.

2. Unfasten stop screws from the pluggable block, insert

signal cables into slots and fasten stop screws. Ensure

signal cables are in tight.

3. Connect pluggable block back into terminal block.