Here the SFP details, my doubt is that if we unshut an interface whether we will get an RED LED in one of the port of that interface.... switch# show interface fc2/1 transceiver details fc2/1 sfp is present Name is CISCO-EXCELIGHT Manufacturer's part number is SDX4102FL-C1-M Revision is A Serial number is ECL152803N5 FC Transceiver Type is X2 Medium FC Connector Type is SC Bit Encoding is NRZ Protocol Type is 10GFC Standards Compliance Codes : 10GbE Code Byte 0 : 10GBASE-LR Fiber type Byte 0 : SM, Generic Fiber type Byte 1 : Unspecified Transmission Range is 1000 (in 10m increments) Cisco extended id is Unknown (0x0) No tx fault, rx loss, no sync exists, diagnostic monitoring type is 0xc7 SFP Diagnostics Information: ---------------------------------------------------------------------------- Alarms Warnings High Low High Low ---------------------------------------------------------------------------- Temperature 41.05 C 74.00 C -4.00 C 70.00 C 0.00 C Voltage 0.00 V 0.00 V 0.00 V 0.00 V 0.00 V Current 45.35 mA 120.00 mA 18.00 mA 131.07 mA 0.00 mA Tx Power -2.41 dBm 4.50 dBm -12.20 dBm 0.50 dBm -8.20 dBm Rx Power -31.55 dBm -- 4.50 dBm -18.42 dBm 0.50 dBm -14.40 dBm Transmit Fault Count = 2 ---------------------------------------------------------------------------- Note: ++ high-alarm; + high-warning; -- low-alarm; - low-warning
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