I am trying to find out what is causing my link to go down either the transmit 
power or a receive power. Below are the parameters of link having a 
connectivity issue of DWDM transmission. The problem is sometimes it works and 
sometime it does not and transmission guys keep insisting that your transmit 
power is low. Now the question is if the transmit power is low, can you 
increase it for a particular link. Physical interface: xe-4/2/0    Laser bias 
current                        :  33.111 mA    Laser output power               
         :  0.4410 mW / -3.56 dBm    Module temperature                        
:  30 degrees C / 86 degrees F    Laser rx power                            :  
0.2516 mW / -5.99 dBm
I have another link over same DWDM transmission which is working quite fine for 
days. The following are the parameters for that link.
Physical interface: xe-4/3/0    Laser bias current                        :  
32.748 mA    Laser output power                        :  0.5060 mW / -2.96 dBm 
   Module temperature                        :  31 degrees C / 88 degrees F    
Laser rx power                            :  0.2538 mW / -5.96 dBm
I would appreciate it if someone can describe it in detail that what could be 
the reason causing this link to fluctuate randomly. 
Thanks
Andrew                                            
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