User's Manual

SMT User Manual
Introduction
7
No. Name Descriptions
3 LAN Network port
4 VGA Connect to monitor
5 HDMI Connect to 1920×1080 high definition display device
6 USB
USB3.0 interface, connect USB storage device or
USB mouse
7 AUDIO IN
Audio input; connect to audio input device, like
microphone, pickup, etc
8 AUDIO OUT Audio output; connect to sound box
9 RS485 A/B interface Connect to a keyboard. A is TX+; B is TX-
10 RS485 Y/Z interface
Connectors for speed dome. Y is TX+, Z is TX-
(This interface of some models is unavailable.)
11 ALARM OUT Relay output; connect to external alarm
12 ALARM IN Alarm inputs for connecting sensors
13 GND Grounding