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3.4.7 PoE indicators
The PoE A indicator is ON when power is supplied over data (pairs 1, 2 and 3,
6). The PoE B indicator is ON when power is supplied by free pairs (pairs 4, 5
and 7, 8).
3.4.8 LINK indicators
Blinking of LINK indicators show that data are transmitted via the corresponding
port.
3.4.9 Power indicators
Power indicators show the presence of supply voltage on the switch boards.
3.5 Dry contact
On the switch board there is a dry contact
– SENSOR 1 digital input. This port
can be used to connect a relay output of the user equipment. Its actuation will
generate an alarm message sent to the server via SNMP Traps, SMTP or
Syslog protocols (see detailed information in the Configuration Manual).
Figure 3.5 - Dry contact.
3.6 Tamper sensor
The switch enclosure has a tamper sensor (a sealed switch). The sealed switch
is connected to SENSOR 2 contact. The cabinet door opening will generate an
