User manual

13 ARK-1122 User Manual
Chapter 2 Hardware installation
2.4.4 VGA Connector
The ARK-1122H provides a high resolution VGA interface connected by a D-sub 15-
pin connector to support a VGA CRT monitor. It supports display resolution up to
1920 x 1200 HDMI.
Figure 2.10 VGA Connector
2.4.5 USB Connectors
The ARK-1122H provides four USB interface connectors, which give complete Plug
& Play and hot swapping for up to 127 external devices. The USB interface is compli-
ant with USB UHCI, Rev. 2.0. The USB interface supports Plug and Play, which
enables you to connect or disconnect a device whenever you want, without turning
off the computer.
Figure 2.11 USB Connector
Note! NC, if present, means “No Connection”.
Table 2.4: VGA Connector Pin Assignments
Pin Signal Name Pin Signal Name
1 Red 2 Green
3 Blue 4 NC
5 GND 6 GND
7 GND 8 GND
9NC 10GND
11 NC 12 DDC Date
13 H-SYNC 14 V-SYNC
15 DDC Clock
1
5
6
11
10
15
Table 2.5: USB Connector Pin Assignments
Pin Signal Name Pin Signal Name
1VCC 2USB_data-
3USB_data+ 4GND