Table 2-3 Port and button description
Name
Type
Function
Ground
terminal
-
Connects a ground cable.
RS485 port
RS485
Connects to an external PTZ device or access control
system.
This port is reserved for hardware but not for
software functions.
Alarm input
port
I/O
terminal
Connects to an external alarm input device, for
example, the access control system.
This port is reserved for hardware but not for
software functions.
Alarm output
port
I/O
terminal
Connects to an external alarm output device, for
example, an alarm bell.
Serial port
COM
Used for device access and maintenance.
Audio input
port
RCA
Used for audio input. This port can be used to
broadcast voice files or talk with users in the
surveillance area where cameras with microphones
are installed.
Audio output
port
RCA
Used for audio output. This port can be used to
listen to channel-associated voice of cameras.
High-
Definition
Multimedia
Interface
(HDMI) port
HDMI
Used for HDMI video output and supports dual-
HDMI output from different sources.
● The HDMI 1.4 port supports a maximum
resolution of 1080p.
● The HDMI 2.0 port supports a maximum
resolution of 4K.
GE1/GE2
network port
RJ45
GE Ethernet port used to connect to a network
cable.
USB port
USB3.0
Connects to one of the following USB devices:
● USB flash drive
● USB mouse
● Removable hard disk
IVS1800 Video Management System
User Manual
2 IVS1800 Overview
Issue 02 (2021-01-27)
Copyright © Huawei Technologies Co., Ltd.
6
