Siemens SCALANCE XR324-4M EEC - Page 211

Technical specifications
8.9 MM900 technical specifications
SCALANCE X-300
Operating Instructions, 02/2012, A5E01113043-12
211
Table 8- 125 Permitted cable lengths (fiber-optic cable - Fast Ethernet)
Product variant Fiber-optic cable
type
Max. permittted
cable length
Attenuation
50/125 µm
multimode fiber
5 km ≤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
MM991-2
62.5/125 µm
multimode fiber
5 km ≤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
MM991-2LD 9/125 µm
single mode fiber
26 km ≤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
MM991-2 (SC) 50/125 µm
multimode fiber
5 km ≤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
MM991-2LD (SC) 9/125 µm
single mode fiber
26 km ≤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
MM991-2LH+ (SC) 9/125 µm
single mode fiber
70 km ≤0.28 dB/km at 1 550 nm; maximum insertion loss
0.5 dB; 26 dB max. permitted FO cable attenuation
at 2 dB link power margin, minimum cable
attenuation 3 dB
62.5/125 µm
multimode fiber
350 m ≤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
MM992-2
50/125 µm
multimode fiber
750 m ≤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
MM992-2LD 9/125 µm
single mode fiber
10 km ≤0.5 dB/km at 1 310 nm; maximum insertion loss 0.5
dB; 6 dB max. permitted FO cable attenuation at 3
dB link power margin
MM992-2LH 9/125 µm
single mode fiber
40 km ≤0.4 dB/km at 1 550 nm; maximum insertion loss
0.5 dB; 18 dB max. permitted FO cable attenuation
at 2 dB link power margin, minimum cable
attenuation 3 dB
MM992-2LH+ 9/125 µm
single mode fiber
70 km ≤0.28 dB/km at 1 550 nm; maximum insertion loss
0.5 dB; 21 dB max. permitted FO cable attenuation
at 2 dB link power margin, minimum cable
attenuation 8 dB
MM992-2ELH 9/125 µm
single mode fiber
120 km ≤0.225 dB/km at 1 550 nm; maximum insertion loss
0.5 dB; 27 dB max. permitted FO cable attenuation
at 2 dB link power margin, minimum cable
attenuation 8 dB