cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
2153
Views
0
Helpful
2
Replies

How to check SFP+ acceptable transmit power dBm ? Is this bad sfp ?

GroovyCat
Level 1
Level 1

Hi guys, 

 

When I look into the MDS installation guide, there's a paragraph about SFP+ Average power indicated as below. 

In this charts, for the row DS-SFP-FC16G-SW, What does "Min 7,8" column means ? Is it typo ?

 

How do I use this chart to calculate the correct dBm that is acceptable for each rate. 

If i reading it correctly, the below sfp don't need to be replaced. 

 ----------------------------------------------------------------------------
Alarms Warnings
High Low High Low
----------------------------------------------------------------------------
Temperature 35.29 C 75.00 C -5.00 C 70.00 C 0.00 C
Voltage 3.29 V 3.63 V 2.97 V 3.46 V 3.13 V
Current 7.34 mA 10.50 mA 2.50 mA 10.50 mA 2.50 mA
Tx Power -2.25 dBm 1.70 dBm -13.00 dBm -1.30 dBm -9.00 dBm
Rx Power -1.76 dBm 3.00 dBm -15.90 dBm 0.00 dBm -11.90 dBm
Transmit Fault Count = 0
----------------------------------------------------------------------------
Note: ++ high-alarm; + high-warning; -- low-alarm; - low-warning

 

 

2 Replies 2

balaji.bandi
Hall of Fame
Hall of Fame

Personally i do not believe you required to change this SFP, as long as you do not see any network performance or issue with connectivity.

 

BB

***** Rate All Helpful Responses *****

How to Ask The Cisco Community for Help

luis_cordova
VIP Alumni
VIP Alumni