Huawei VS-EC-H24R User Manual page 21

VS-EC-H24R&H28R&H29R
User Guide
Table 1-5 Description of Rear Panel
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Issue 04 (2013-06-15)
Item
VIDEO IN
AUDIO IN
VIDEO SPOT
OUT
VIDEO OUT
AUDIO OUT
LINE IN
RS-232 Interface
VGA
HDMI
eSATA (Optional)
LAN Interface
Termination
Switch
RS-485 Interface
Controller Port
ALARM IN
ALARM OUT
GROUND
AC 100V ~ 240V
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description
BNC connector for analog video input.
BNC connector for audio input.
BNC connector for video output.
BNC connector for video output.

When both HDMI and VGA are connected, it
is used for live view only.

When either HDMI or VGA is connected, it
is used as the spot video output for live view,
playback, recording and PTZ controls.

When neither HDMI nor VGA is connected,
it is used as the main video output for live
view and menu operations.
BNC connector for audio output. This
connector is synchronized with VIDEO OUT.
BNC connector for audio input.
Connector for RS-232 devices.
DB9 connector for VGA output. Display local
video output and menu.
HDMI video output connector.
Connects external SATA HDD, CD/DVD-RM.
Connector for LAN (Local Area Network).
RS-485 termination switch. Up position is not
terminated.
Down is terminated with 120Ω resistance.
Connector for RS-485 devices. T+ and T- pins
connect to R+ and R- pins of PTZ receiver
respectively.
D+, D- pin connects to Ta, Tb pin of controller.
For cascading devices, the first DVR's D+, D-
pin should be connected with the D+, D- pin of
the next DVR.
Connector for alarm input.
Connector for alarm output.
Ground (needs to be connected when DVR
starts up).
AC 100V ~ 240V power supply.
1 Introduction
13