2-2. Rear Panel View
2. Intelligent slot*
3. USB communication
4. Emergency Power Off function connector
5. Cooling fan
6. Input circuit breaker
7. Input/Output terminal (see as above)
8. Output terminal
9. Grounding terminal
10. Utility input terminal
*For the models E4 Value 4000/5000,
communication card (USB & RS232) can be
remplaced to SNMP (optional)