Siemens SCALANCE X-300 Series

Technical specifications
8.7 SFP technical specifications
SCALANCE X-300
Operating Instructions, 10/2010, A5E01113043-10
189
Device:
transceiver
(Variant) Fiber FO cable lengths
SFP992-LH+ (1 x 1000 Mbps, LC port
optical, 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
optical, 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)
8.7.4 Other properties of SFP
Table 8- 94 MTBF
Device:
transceiver
(Variant) MTBF
SFP991-1 (1 x 100 Mbps, LC port optical, multimode glass, up to max. 3 km) > 120 years
SFP991-1LD (1 x 100 Mbps, LC port optical, single mode glass, up to max. 26 km) > 120 years
SFP991-1LH+ (1 x 100 Mbps, LC port optical, single mode glass, up to max. 70km) > 120 years
SFP992-1 (1 x 1000 Mbps, LC port optical, multimode glass, up to max. 750m) > 120 years
SFP992-1LD (1 x 1000 Mbps, LC port optical, single mode glass, up to max. 10km) > 120 years
SFP992-1LH (1 x 1000 Mbps, LC port optical, single mode glass, up to max. 40km) > 120 years
SFP992-LH+ (1 x 1000 Mbps, LC port optical, single mode glass, up to max. 70km) > 120 years
SFP992-1ELH (1 x 1000 Mbps, LC port optical, single mode glass, up to max. 120km) > 120 years
Note
The IE Switches X-300 support full wire speed switching complying with IEEE 802.3 on all
ports.
The number of packets depends on the packet length according to the IEEE802.3 standard:
Table 8- 95 Full wire speed switching
Number of frames
at 100 Mbps at 1000 Mbps
At a frame length of (in bytes):
148810 1488095 64
84459 844595 128
45290 452899 256
23496 234962 512