1. What is the Hardware Configuration of ECS4120-28F:
Front:
Rear:
Dual power sources (AC x 1, DC x 1)
4 x 10G SFP+ ports (port 25~28)
22 x 1G SFP (port 1~22)
2 x 1G Combo ports (port 23~24) that support RJ45 and SFP.
FANLESS design
2. Is there any transceiver info (DDM) on 1G SFP port ?
Answer:
No, port 1~22 do not support DDM. Only 10G SFP+ (port 25~28) port support Digital Diagnostic Monitoring (DDM).
3. Does 1G SFP port support 100M transceiver ?
Answer:
Yes. But it's required additional commend - "media-type sfp-forced 100fx"
Console#con Console(config)#int e 1/1 Console(config-if)#exit Console(config)#interface ethernet 1/1 Console(config-if)#media-type sfp-forced 100fx Console(config-if)#end
Console#show interfaces status ethernet 1/1 Information of Eth 1/1 Basic Information: Port Type : 100BASE-FX MAC Address : 00-E0-0C-00-00-FE Configuration: Name : Port Admin : Up Speed-duplex : 100full Capabilities : 100full Broadcast Storm : Disabled Broadcast Storm Limit : 500 packets/second Multicast Storm : Disabled Multicast Storm Limit : 262143 packets/second Unknown Unicast Storm : Disabled Unknown Unicast Storm Limit : 262143 packets/second Flow Control : Disabled VLAN Trunking : Disabled LACP : Disabled MAC Learning : Enabled Link-up-down Trap : Enabled Media Type : SFP forced MTU : 1518 Current Status: Link Status : Up Port Operation Status : Up Operation Speed-duplex : 100full Up Time : 0w 0d 0h 0m 26s (26 seconds) Flow Control Type : None Max Frame Size : 1518 bytes (1522 bytes for tagged frames) MAC Learning Status : Enabled
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