-9-
4, 5
GND
Switch Functions
MAC Addresses Table 8K entries
Forwarding & filtering Non-blocking, full wire speed
Switching technology
Store and forward
Maximum packet length 9.6K bytes
IP Multicast groups
8192 supported
Flow control
IEEE 802.3x pause frame base for full duplex operation
Back pressure for half duplex operation
DC IN Terminal Block
Pin assignments
Pin
Marking
Remark
1
A -
DC power input A (-)
2
A +
DC power input A (+)
3
B -
DC power input B (-)
4
B +
DC power input B(+)
Redundancy
Input A & Input B
Power input voltages
+12 ~ +60VDC
Power consumption
8.5W max. @24V
Protection
Polarity Reversal shutdown
Isolation
Power lines vs. frame ground
Alarm Relay Output Terminal Block
Pin assignments
3 terminal contacts (30VDC/1A max. or 120VAC/0.5A max.)
Pin
Marking
Alarm Relay Output contacts
1,2
AR/NO
NO pair: Normal – open, Alarm - shorted
2,3
AR/NC
NC pair: Normal – shorted, Alarm - open
Alarm events
Power failure, Specific port link fault (software configured), OPA
RESET
Push Button
Short push - System reset
Long push – Restore factory default settings
856BU
Mechanical
