Siemens SCALANCE X308-2 User Manual

Technical specifications
8.9 MM900 technical specifications
SCALANCE X-300
212 Operating Instructions, 05/2016, A5E01113043-20
Fiber-optic cables
Table 8- 129 Permitted cable lengths (fiber-optic cable - Fast Ethernet)
Media module
Fiber-optic cable type
Max. permitted
cable length
Attenuation
MM991-2 50/125 µm
multimode fiber
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
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
MM991-2FM 50/125 µm
multimode fiber
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
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
MM991-2LD 9/125 µm
single mode fiber
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
MM991-2 (SC) 50/125 µm
multimode fiber
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
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
MM991-2LD
(SC)
9/125 µm
single mode fiber
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
MM991-2LH+
(SC)
9/125 µm
single mode fiber
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
MM991-2P 980/1000
plastic optical fiber
50 m 9 dB max. permitted FO cable attenuation with 3 dB link
power margin
200/230
polymer cladded fiber
100 m 6 dB max. permitted FO cable attenuation with 3 dB link pow-
er margin
Table 8- 130 Permitted cable lengths (fiber-optic cable - gigabit Ethernet)
Media module
Fiber-optic cable
type
Max. permitted
cable length
Attenuation
MM992-2
MM992-2 (C)
62.5/125 µm
multimode fiber
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
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

Siemens SCALANCE X308-2 Specifications

General

Brand	Siemens
Model	SCALANCE X308-2
Category	Switch
Language	English