Model Type: PSTEK Electrical 1SFA899003R1000 PSTEK Keypad
Characteristics
Ethernet ports are labeled 1 through 4 for documentation purposes.
SDSL ports are connected via the backplane. There are no specific uplink ports.
All ports are functionally identical.
The link and speed status of each Ethernet port and SDSL port is indicated by status indicators (see “Connectors and Indicators”).
The switch learns Ethernet addresses by analyzing incoming frames and stores them in a lookup table (up to 2048 entries),
used to forward frames only to the correct port. If the frame is
widecast or multicast, or the destination address is not found in the lookup table, the received frame is forwarded to the correct port.
If an entry in the lookup table is not refreshed by an incoming frame with a specific source address
then it is aged out for a maximum of 304 seconds.
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