49
No.
Function (C300R-020-B & C300R-030-B)
1
AC Output
2
Modem/Network Surge Protection
3
SNMP Port
4
Fan
5
AC Input
6
RS-232 / Dry-Contact Communication Port
7
USB Port
8
EPO
9
Earth Line connection
C300R-020-B Standard model rear panel
C300R-030-B Standard model rear panel