4. Transmission specifications
4-3
0(1*+(
Table 4.1.3(B) Transmission specifications of electric/optical converter
Item Specification
Communication speed 1Mbps
Encoding type Manchester Biphase-L
Transmission line(Cable) Optical cable, twist pair cable
Max. transmission distance 3km(Optical)/750m(electric)
Function of signal regeneration Regenerating, Reshaping function
Frame error check CRC 16 = X
15
+ X
14
+ X
13
+ ... + X
2
+ X + 1
2 1 3 4*+/
Table 4.1.3(C) Transmission specification of active coupler
Item Specification
Communication speed 1Mbps
Encoding type Manchester Biphase-L
Transmission line(Cable) Optical cable
Max. transmission distance 3km
Function of signal regeneration Regenerating, Reshaping function
Frame error check CRC 16 = X
15
+ X
14
+ X
13
+ ... + X
2
+ X + 1
