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FTR-1319-3D Long-Wavelength GBIC Specification – November 2007 
F i n i s a r
 
 
 
© Finisar Corporation November 16, 2007 Rev. H3   
Page 6 
 
VII.  Environmental Specifications 
 
Note that the GBIC Specification requires an ambient temperature range of 0 to 50°C.  
The FTR-1319-3D has an extended range from –10°C to +85°C case temperature as 
specified in Table 8.   
 
VIII.  Serial Communication Protocol 
Parameter 
 
Symbol Min  Typ  Max Units Notes/Conditions 
Operating Temp 
T
op
-10  85 °C 
Case 
Temperature 
Relative Humidity 
RH 
 
85 
Non Condensing 
Storage Temp 
T
sto
-40  85 °C 
Eye Safety 
-- 
 
 
 
 
CDRH and IEC-825 Class 1 Laser 
Product.  See Note 1 
Note 1: Complies with FDA performance standards for laser products except for deviations pursuant to 
Laser Notice No. 50, dated July 26, 2001. 
Table 8. Environmental specifications 
 
All Finisar optical GBICs implement serial identification features described for ‘Module 
Definition “4”’ as outlined in Annex D of the GBIC Specification 
1
. These GBICs use an 
Atmel AT24C01A 128 byte E
2
PROM at address A0H.  For details on interfacing with the 
E
2
PROM, see the Atmel data sheet titled “AT24C01A/02/04/08/16 2-Wire Serial CMOS 
E
2
PROM.” 
5
  
 
 
Parameter 
 
Symbol Min Typ
Max  Units Notes/Conditions 
 I
2
C Clock for Atmel 
(A0H) and Controller 
IC (A2H) 
C
atmel
 
100,000
Hz 
Bus can be driven blind 
Table 9.  I
2
C timing requirements