Siemens SCALANCE X-300 Series

Device:
transceiver
(Variant) Fiber FO cable lengths
SFP992-LH+ (1 x 1000 Mbps, LC port opti‐
cal, single mode glass, up to
max. 70km)
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 attenuation 8 dB)
SFP992-1ELH (1 x 1000 Mbps, LC port opti‐
cal, single mode glass, up to
max. 120km)
9/125 µm single
mode fiber
*) -120km
(0.225 dB/km at 1550 nm;
maximum insertion loss 0.5 dB,
27 dB max. permitted FO cable attenuation at 2 dB
link power margin,
*) minimum cable attenuation 13 dB)
8.10.4 Other properties
Table 8-118 MTBF
Device:
pluggable
transceiver
(Variant) MTBF
1)
SFP991-1 (1 x 100 Mbps, LC port opti‐
cal, multimode glass, up to
max. 3 km)
> 120 years
SFP991-1LD (1 x 100 Mbps, LC port opti‐
cal, single mode glass, up to
max. 26 km)
> 120 years
SFP991-1LH+ (1 x 100 Mbps, LC port opti‐
cal, single mode glass, up to
max. 70km)
> 120 years
SFP992-1 (1 x 1000 Mbps, LC port op‐
tical, multimode glass, up to
max. 750m)
> 120 years
SFP992-1+ (1x 1000 Mbps, LC port opti‐
cal, multimode glass, up to
max. 2 km)
> 227 years
SFP992-1LD (1 x 1000 Mbps, LC port op‐
tical, single mode glass, up to
max. 10km)
> 120 years
SFP992-1LH (1 x 1000 Mbps, LC port op‐
tical, single mode glass, up to
max. 40km)
> 120 years
SFP992-LH+ (1 x 1000 Mbps, LC port op‐
tical, single mode glass, up to
max. 70km)
> 120 years
SFP992-1ELH (1 x 1000 Mbps, LC port op‐
tical, single mode glass, up to
max. 120km)
> 120 years
1)
These values apply at 40 °C.
Technical specifications
8.10 SFP technical specifications
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24 217