Siemens SCALANCE X308-2M Operating Instructions Manual page 160

Technical specifications
8.2 X-300 technical specifications
Table 8- 11 Permitted cable lengths (fiber-optic cable - Fast Ethernet)
Device variant Fiber-optic cable
type
X304-2FE, 50/125 µm
X320-1 FE multimode fiber
62.5/125 µm
multimode fiber
X306-1LD FE 9/125 µm
single mode fiber
X310FE -
X320-3LD FE 50/125 µm
multimode fiber
9/125 µm
single mode fiber
Table 8- 12 Permitted cable lengths (fiber-optic cable - gigabit)
Device variant Fiber-optic cable
type
X307-3, 62.5/125 µm
X308-2 multimode fiber
50/125 µm
multimode fiber
X307-3LD 9/125 µm
X308-2LD single mode fiber
X308-2LH 9/125 µm
single mode fiber
X308-2LH+ 9/125 µm
single mode fiber
X310 -
Minimum cable attenuation 3 dB
1)
Minimum cable attenuation 8 dB
2)
160
Permitted cable length
0 to 5 km
0 ... 5 km
0 to 26 km
-
0 to 5 km
0 to 26 km
Permitted cable length
0 to 350 m
0 to 750 m
0 to 10 km
... 40 km
1)
... 70 km
2)
-
Attenuation
≤1 dB/km at 1 310 nm; 1 200 MHz×km; maximum
insertion loss 0.5 dB; 9 dB max. permitted FO cable
attenuation at 3 dB link power margin
≤3.1 dB/km at 850 nm; 200 MHz×km; maximum
insertion loss 0.5 dB; 4.5 dB max. permitted FO
cable attenuation at 3 dB link power margin
≤0.5 dB/km at 1 310 nm; maximum insertion loss 0.5
dB; 14 dB max. permitted FO cable attenuation at 2
dB link power margin
-
≤1 dB/km at 1 310 nm; 1 200 MHz×km; maximum
insertion loss 0.5 dB; 9 dB max. permitted FO cable
attenuation at 3 dB link power margin
≤0.5 dB/km at 1 310 nm; maximum insertion loss 0.5
dB; 14 dB max. permitted FO cable attenuation at 2
dB link power margin
Attenuation
≤3.1 dB/km at 850 nm; 200 MHz×km; maximum
insertion loss 0.5 dB; 4.5 dB max. permitted FO
cable attenuation at 3 dB link power margin
≤2.5 dB/km at 850 nm; 1 200 MHz×km; maximum
insertion loss 0.5 dB; 4.5 dB max. permitted FO
cable attenuation at 3 dB link power margin
≤0.5 dB/km at 850 nm; 1 310 MHz×km; maximum
insertion loss 0.5 dB; 6 dB max. permitted FO cable
attenuation at 3 dB link power margin
≤0.4 dB/km at 850 nm; 1 550 MHz×km; maximum
insertion loss 0.5 dB; 18 dB max. permitted FO cable
attenuation at 2 dB link power margin
≤0.28 dB/km at 850 nm; 1 550 MHz×km; maximum
insertion loss 0.5 dB; 21 dB max. permitted FO cable
attenuation at 2 dB link power margin
-
Operating Instructions, 02/2012, A5E01113043-12
SCALANCE X-300