Technical specifications
8.2 X-300 technical specifications
SCALANCE X-300
162
Operating Instructions, 05/2016, A5E01113043-20
Table 8- 12 Permitted cable lengths (fiber-optic cable - Fast Ethernet)
Device variant
Fiber-optic cable
type
Permitted cable length
Attenuation
X304-2FE,
X320-1 FE
50/125 µm
multimode fiber
0 to 5 km
≤1
dB/km at 1310 nm; 1200 MHz×km; maximum
insertion loss 0.5 dB; 9 dB max. permitted FO cable
attenuation at 3 dB link power margin
62.5/125 µm multi-
mode fiber
0 ... 5 km
≤1
dB/km at 1310 nm; 1200 MHz×km; maximum
insertion loss 0.5 dB; 9 dB max. permitted FO cable
attenuation at 3 dB link power margin
X306-1LD FE
9/125 µm
single mode fiber
0 to 26 km
≤0.5 dB/km at 1310 nm; maximum insertion loss 0.5
dB; 14 dB max. permitted FO cable attenuation at 2
dB link power margin
X310FE
-
-
-
X320-3LD FE
50/125 µm
multimode fiber
0 to 5 km
≤1
dB/km at 1310 nm; 1200 MHz×km; maximum
insertion loss 0.5 dB; 9 dB max. permitted FO cable
attenuation at 3 dB link power margin
9/125 µm
single mode fiber
0 to 26 km
≤0.5 dB/km at 1310 nm; maximum insertion loss 0.5
dB; 14 dB max. permitted FO cable attenuation at 2
dB link power margin
Table 8- 13 Permitted cable lengths (fiber-optic cable - gigabit)
Device variant
Fiber-optic cable
type
Permitted cable length
Attenuation
X307-3,
X308-2
62.5/125 µm
multimode fiber
0 to 350 m
≤3.1
dB/km at 850 nm; 1200 MHz×km; maximum
insertion loss 0.5 dB; 4.5 dB max. permitted FO
cable attenuation at 3 dB link power margin
50/125 µm
multimode fiber
0 to 750 m
≤2.5
dB/km at 850 nm; 1200 MHz×km; maximum
insertion loss 0.5 dB; 4.5 dB max. permitted FO
cable attenuation at 3 dB link power margin
X307-3LD
X308-2LD
9/125 µm
single mode fiber
0 to 10 km
≤0.5 dB/km at 1310 nm; maximum insertion loss 0.5
dB; 6 dB max. permitted FO cable attenuation at 3
dB link power margin
X308-2LH
9/125 µm
single mode fiber
... 40 km
≤0.4 dB/km at 1550 nm; maximum insertion loss
0.5 dB; 18 dB max. permitted FO cable attenuation
at 2 dB link power margin; minimum cable attenua-
tion 3 dB
X308-2LH+
9/125 µm
single mode fiber
... 70 km
≤0.28 dB/km at 1550 nm;
maximum insertion loss
0.5 dB; 21 dB max. permitted FO cable attenuation
at 2 dB link power margin; minimum cable attenua-
tion 8 dB
X310
-
-
-