25 SIMB-M21 User Manual
Chapter 2 Product Introduction
2.8 Connectors
2.8.1 Rear panel connectors
1. PS/2 mouse port (green). This port is for a PS/2 mouse.
2. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
3. Serial connector. This 9-pin COM1 & COM2 port is for serial devices.
4. DisplayPort. This 20-pin DisplayPort connect to a DisplayPort VGA monitor.
5. VGA port. This 15-pin VGA port connects to a VGA monitor.
6. HDMI port. This 19-pin HDMI 1.3 port connects to a HDMI monitor.
7. LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network
(LAN) through a network hub. Refer to the table below for the LAN port LED indica-
tions.
8. USB 2.0 ports 1 ~ 4. These four 4-pin Universal Serial Bus (USB) ports are avail-
able for connecting USB 2.0 devices.
9. Line In port (light blue). This port connects a tape, CD, DVD player, or other audio
sources.
10. Line Out port (lime). This port connects a headphone or a speaker.
In 4-channel, 6-channel, and 8-channel configuration, the function of this port
becomes Front Speaker Out.
11. Microphone port (pink). This port connects a microphone.
Table 2.6: LAN port LED indications
Speed LED ACT /LINK LED
Status Description Status Description
OFF 10 Mbps connection OFF No link
Orange 100 Mbps connection Green Link
Green 1 Gbps connection Blinking Data activity
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