DS-980/DS-980GL User Manual 12
2.3 DS-980/DS-980GL Rear External I/O Connectors
2.3.1 COM Connector
DS-980/DS-980GL provides two D-sub 9-pin connectors serial communication inter-
face port, and supports 1x RS-232 (default setting) or 2x RS-485 & RS-422 with
extension cable.
Figure 2.10 COM connector
2.3.2 USB3.0 Connector
There are 4x USB3.0 complaint interfaces which are compliant with USB UHCI, Rev.
3.0 and support Plug and Play. It is convenient to enable you to connect or discon-
nect a device without turning off the computer.
Figure 2.11 USB3.0 connector
Table 2.3: COM Port Pin Assignments
Pin Signal Name
1DCD
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Table 2.4: USB 3.0 Connector Pin Assignments
Pin Signal Name
1 VBUS
2 USB Data-
3 USB Data+
4GND
5StdA_SSRX-
6StdA_SSRX+
7 GND_DRAIN
8StdA_SSTX-
9StdA_SSTX+