Rear Panel
Max. Operating Voltage:125 VAC, 60 VDC
Max. Operating Current:1 A
Max. Switching Capacity:37.5 VA, 30 W
Min. Permissible Load:10 uA @ 10 mVDC
Relay contacts:
n C is Common contact
n NO is Normally Open contact.
n NC is the Normally Closed contact.
Relay states:
C and NC (Normally Closed) C and NO (Normally Open)
Energized Open Closed (connected)
De-Energized Closed (connected) Open
For example:
n When the power is on, the Power relay is energized, providing a closed set of contacts
between C and NO.
n When the power is off, the Power relay is de-energized, providing a closed set of con-
tacts between C and NC.
NetworkPorts
Description:Three 10/100 Mbps Ethernet ports (LAN1, LAN2, LAN3). One 10/100/1000 Mbps
Ethernet port (LANGBE)
Connector:Four standard RJ-45 8-pin connectors
Frame Format for LAN1, LAN2, LAN3:
n IEEE 802.3 (10Base-T at 10 Mbps)
n IEEE 802.3u (Fast Ethernet at 100 Mbps)
Frame Format for LANGBE:
n IEEE 802.3z and 802.3ab (1000Base-T Gigabit Ethernet at 1000 Mbps) for LANGBE
port
Roles:
n LAN1:
n Web interface (HTTP), command line interface (TELNET)
n The default port for most NTP functions.
n DNS, SMTP, SNMP
n All ports respond to NTP (port 123), TIME (port 37), and DAYTIME (port 13) requests.
Factory default static IPv4 addresses:
n LAN1192.168.0.100
n LAN2192.168.0.101
n LAN3192.168.0.102
997-01520-02 Rev. F1.......................................................................... Page 115
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