MD-1000I / MD-2000I / MD-3000I Explanation of USB Function
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3.2.2 MD-2000I
1 USB port
2 Battery pack connector
3 Input circuit breaker
4 Power input
5 Communication interface
6 UPS output (non-programmable)
7 UPS output (programmable)
8 Fan
9 Emergency power off (EPO) port
10 RS-232 port
Fig. 3-2 - 4 MD-2000I rear panel
MD Series 31