8516 Hybrid NVR with RAID Installation Guide
18
Feature Overview
12-Volt Out, RS-485, and RS-232
There is a 12-Volt Out connection, an RS-485 interface, and an RS-232 interface on the back of the
unit.
Pinout
12-Volt Out
This connection is for powering external devices with a battery backed up source. It is intended for
use with the March Networks 2316 Encoder.
Maximum 12 Watts.
The
G
indicates the ground connection pin and the
+
indicates the 12-volt positive connection pin.
RS-485 Interface
The RS-485 interface allows you to control a PTZ camera, with the following pins:
You can also use this to provide text capture with an RS-485 to RS-232 converter.
RS-232 Interface
The RS-232 interface allows you to provide text capture, with the following pins:
You can also use this to control a PTZ camera with an RS-232 to RS-485 converter.
Pin
---
Rx+
Rx-
---
Tx+
Tx-
---
Definition
Unused
pin
Input:
Receive
positive
Input:
Receive
negative
Unused
pin
Output:
Transmit
positive
Output:
Transmit
negative
Unused
pin
Pin
Rx
G
Tx
Definition
Input
Ground
Output
RS-485
RS-232
12-Volt Out
