MD-1000I / MD-2000I / MD-3000I Explanation of USB Function
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3.2.3 MD-3000I
1 USB port
2 Fan
3 Battery pack connector
4 Circuit breaker for two programmable outputs
5 Circuit breaker for two non-programmable outputs
6 Power input circuit breaker
7 Power input
8 Communication interface
9 UPS output (non-programmable)
10 UPS output (programmable)
11 Emergency power off (EPO) port
12 RS-232 port
Fig. 3-2 - 5 MD-3000I rear panel
MD Series 33