DS-081 Series User Manual
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2.2.5
USB Connectors
DS-081 Series provides four USB interface connectors, which gives complete Plug & Play
and hot swapping capability for up to 127 external devices. The USB interface is compliant
with USB UHCI, Rev. 3.0. The USB interface supports Plug and Play, which enables you to
connect or disconnect a device without turning off the system.
Figure 2.7
：
USB Connector
USB Port Pin Assignments
Pin
Signal
1
VCC
2
USB Data-
3
USB Data+
4
GND
2.2.6
COM Connector
DS-081 Series provides one D-sub 9-pin connectors serial communication interface port.
The ports support RS-232 communications.
Figure 2.8
：
COM Connector
COM Port Pin Assignments
Pin
Signal
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
2.2.7
Audio Connectors
DS-081 Series S/PDIF can be connected to Stereo speakers, earphone or surround
speakers.
