VS-EC-H24R&H28R&H29R
User Guide
1 Introduction
Issue 04 (2013-06-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
13
Table 1-5
Description of Rear Panel
No.
Item
Description
1
VIDEO IN
BNC connector for analog video input.
2
AUDIO IN
BNC connector for audio input.
3
VIDEO SPOT
OUT
BNC connector for video output.
4
VIDEO OUT
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.
5
AUDIO OUT
BNC connector for audio output. This
connector is synchronized with VIDEO OUT.
6
LINE IN
BNC connector for audio input.
7
RS-232 Interface
Connector for RS-232 devices.
8
VGA
DB9 connector for VGA output. Display local
video output and menu.
9
HDMI
HDMI video output connector.
10
eSATA (Optional)
Connects external SATA HDD, CD/DVD-RM.
11
LAN Interface
Connector for LAN (Local Area Network).
12
Termination
Switch
RS-485 termination switch. Up position is not
terminated.
Down is terminated with 120Ω resistance.
13
RS-485 Interface
Connector for RS-485 devices. T+ and T- pins
connect to R+ and R- pins of PTZ receiver
respectively.
Controller Port
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.
ALARM IN
Connector for alarm input.
ALARM OUT
Connector for alarm output.
14
GROUND
Ground (needs to be connected when DVR
starts up).
15
AC 100V ~ 240V
AC 100V ~ 240V power supply.