DFI VC900-M8M User manual

© April 13, 2023 DFI Inc. 1
www.dfi.com
VC900-M8M
Quick Installation Guide
Package Contents
1 x VC900-M8M system unit
1 x 3-pole terminal block cable for power input
1 x Wall mount bracket/screw pack
1 x Quick installation guide

2Quick Installation Guide | VC900-M8M
Product Overview
Front I/O view
1
2
3
4
5
6
7
8
USB 3.0
LAN
Power Input
COM 1
Reset Button
HDMI
OTG
CAN BUS
Status LED
12
6
345
789
9

3Quick Installation Guide | VC900-M8M
Side I/O view
10
11
12
COM 4
COM 2
COM 3
10 11
12

Removing the Chassis Cover
Please observe the following guidelines and follow the instructions to open the system.
1. Make sure the system and all other peripheral devices connected to it have been
powered off.
2. Disconnect all power cords and cables.
Step 1:
The 3 screws on the side of the system are used to secure the cover to the chassis. Remove
the screws and put them in a safe place for later use.
Step 2:
Slide the cover to open the system.
Step 3:
The boards can be easily accessed after the chassis cover is removed.
Power Board
System Board
4Quick Installation Guide | VC900-M8M

Installing an M.2 Card
M.2 Sockets
Quick Installation Guide | VC900-M8M 5

Please follow the steps below to install the card into the socket.
Step 1:
Insert the card into the socket at an angle while making sure the notch and key are perfectly
aligned .
Step 2:
Press the end of the card far from the socket down until against the stand-off.
Step 3:
Screw tight the card onto the stand-off with a screw driver and a stand-off screw until the
gap between the card and the stand-off closes up. The card should be lying parallel to the
board when it’s correctly mounted.
M.2 Module M.2 Socket
Key
Stand-off
Notch
M.2 Module M.2 Socket
Key
Stand-off
Notch
M.2 Module M.2 Socket
Key
Stand-off
Notch
M.2 Module M.2 Socket
Key
Stand-off
Notch
Quick Installation Guide | VC900-M8M 6

Installing an Antenna
Quick Installation Guide | VC900-M8M 7
Before installing the antenna, please make sure that the following safety cautions are
wellattended.
1. Make sure the PC and all other peripheral devices connected to it has been
powered down.
2. Disconnect all power cords and cables.
Step 1:
There are antenna holes reserved on the right side of the system and by default
covered by rubber plugs. Please remove the plug prior to installing an antenna.
Step 2:
Connect the internal cable to the board's antenna connector, screw the antenna
connector through the antenna hole with washers and nuts, and screw on the
antenna as illustrated below.
Antenna ConnectorCableModule Connector NutWasher
Chassis Wall Antenna

Jumper Settings
1
ON
2 3 4 5 6 7 8
1 2 34
9
5
6
7
8
10
11
1
1
1111
ST-Link / SWD
MCU Debug
Remote Switch
Remote Switch High/Low Active
12V DC Out
9V~36V In
Host Bus Communication
Host Bus Communication
SW1
LED1(Red): Debug LED for the MCU
LED2 (Green): R/W LED
1
2
3
4
5
6
7
8
9
10
11
Power Board
1
1
Power Board
Quick Installation Guide | VC900-M8M 8

7 8
Host Bus Communication JP3 / JP4
Reserved 1-2 On
TX/RX UART (default) 2-3 On
4
Remote Switch High/Low Active JP2
High Active (default) 1-2 On
Low Active 2-3 On
9
24V/12V Select (Output Voltage) SW1
12V (default) 1 On
24V 1 Off
9
Power On Delay Switch (Delay On/Off) SW1
On, delay duration defined by 4 and 5 2 On
Off, delay = 3 seconds by default 2 Off
9
Power Off Delay Switch (Delay On/Off) SW1
On, delay duration defined by 6, 7, and 8 3 On
Off, delay = 0 seconds by default 3 Off
9
Power On Delay Time Select (Delay Duration) SW1
10 seconds (default) 4 On , 5 On
30 seconds 4 Off , 5 On
1 miniute 4 On , 5 Off
5 minutes 4 Off , 5 Off
9
Power Off Delay Time Select (Delay Duration) SW1
30 seconds (default) 6 On , 7 On, 8 On
1 minute 6 Off , 7 On, 8 On
3 minutes 6 On , 7 Off, 8 On
5 minutes 6 Off , 7 Off, 8 On
10 minutes 6 On , 7 On, 8 Off
15 minutes 6 Off , 7 On, 8 Off
30 minutes 6 On , 7 Off, 8 Off
1 hour 6 Off , 7 Off, 8 Off
Quick Installation Guide | VC900-M8M 9

Power Board
System Board
65
2
65
21
1
2
39
40
M.2 B key
M.2 E key
1
1
1
1
11
20
19
2
6 5
1
2
1
1
12
1
1
12
3
4
5
67
8
10
9
11 12 13
16
15
14
17
18
USB2_4
HDMI
Battery
Power Link
SIM Slot
LAN
USB3.0
DC-IN
Audio
DIO
Speaker
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
USB2_3
VP IO
COM1 Debug
Boot CFG
LVDS
I2C
LED Backlight
Quick Installation Guide | VC900-M8M 10

15
Boot Config JP1
Internal Boot (default) 1-2 Off
Serial Downloader 1-2 On
EMMC@eSDHC3 (default) 5-6 Off
SD@eSDHC2 5-6 On
18
LED Backlight JP5
VEN & VPWM
3.3V (default) 1-2 On
5V 1-3 On
VLED Backlight
Backlight Power 12V 5-6 On
Backlight Power 5V 4-6 On
DFI reserves the right to change the specifications at any
time prior to the product's release. This QR may be based
on the product’s revision. For more documentation and
drivers, please visit the download page at www.dfi.com/
downloadcenter, or via the QR codes to the right.
Quick Installation Guide | VC900-M8M 11