Siemens SCALANCE X-300 Manual page 182

Technical specifications
8.6 MM900 technical specifications
Cable lengths
Maximum lengths for copper cables
Media module
MM992-2CUC
MM992-2CU
Maximum lengths of FO cables for Fast Ethernet
Media module
MM991-2
MM991-2LD
MM991-2 (SC)
MM991-2LD (SC)
MM991-2LH+ (SC)
Maximum lengths of FO cables for Gigabit Ethernet
182
Lead
IE TP torsion cable with IE FC RJ-45 Plug 180
IE TP torsion cable with IE outlet RJ-45
+ 10 m TP cord
IE FC TP marine/trailing/ flexible cable with IE
FC RJ-45 Plug 180
IE FC TP marine/ trailing/flexible cable
+ 10 m TP cord over IE FC outlet RJ-45
IE FC TP standard cable with IE FC RJ-45 plug
180
IE FC TP standard cable + 10 m TP cord via IE
FC outlet RJ-45
Lead
50/125 µm multimode
fiber
9/125 µm single mode
fiber
50/125 µm multimode
fiber
9/125 µm single mode
fiber
9/125 µm single mode
fiber
Maximum length
3 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
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
3 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
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
70 km
0.28 dB/km at 1550 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
Operating Instructions, 10/2010, A5E01113043-10
Maximum length
55 m
45 m
85 m
75 m
100 m
90 m
SCALANCE X-300