Interlogix MC352-4P-2S - Manual (Page 19)

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Figure 2-4: Pulling out from the transceiver
Never pull out the module without pulling the latch or the push bolts on the
module. Directly pulling out the module with violence could damage the module
and the SFP module slot of the Industrial Gigabit Ethernet Switch.
2.1.7 Redundancy Overview
The MC352-4P-2S Industrial Gigabit PoE+ Switch provides rapid fiber redundancy of link for highly
critical Ethernet applications. The redundant-mode supports auto-recover function. If the destination port
of a packet is link down, it forwards the packet to the other port of the backup pair. The following figure
shows the redundant function.
Figure 2-5: Redundancy Behavior Topology