RUGGEDCOM RUGGEDCOM RSG2488
Installation Guide
Chapter 4
Technical Specifications
Fast Ethernet (100 Mbps) Optical Specifications 37
NOTE
• Maximum segment length is greatly dependent on factors such as fiber quality and the number
of patches and splices. Consult a Siemens sales associate when determining maximum segment
distances.
• All optical power numbers are listed as dBm averages.
• Section 4.4.1, “Fast Ethernet (100 Mbps) Optical Specifications”
• Section 4.4.2, “Gigabit Ethernet (1 Gbps) Optical Specifications”
Section 4.4.1
Fast Ethernet (100 Mbps) Optical Specifications
Speed Mode
g
Connector
Type
Cable
Type
(μm)
Tx λ
(nm)
h
Tx
min.
(dBm)
Tx
max.
(dBm)
Rx
Sensitivity
(dBm)
Rx
Saturation
(dBm)
Distance
(km)
h
Power
Budget
(dB)
62.5/125 -19 12
100Base-FX MM ST
50/125
1300
-22.5
-14 -31 -14 2
8.5
100Base-FX MM LC 62.5/125 1300 -19 -14 -32 -14 2 13
62.5/125 -19 12
100Base-FX MM SC
50/125
1300
-22.5
-14 -31 -14 2
8.5
100Base-FX SM ST 9/125 1310 -15 -8 -32 -3 20 17
100Base-FX SM LC 9/125 1310 -15 -8 -34 -8 20 19
100Base-FX SM SC 9/125 1310 -15 -8 -31 -7 20 16
100Base-FX SM SC 9/125 1310 -5 0 -34 -3 50 29
100Base-FX SM LC 9/125 1310 -5 0 -35 3 50 30
100Base-FX SM SC 9/125 1310 0 5 -37 0 90 37
100Base-FX SM LC 9/125 1310 0 5 -37 0 90 37
g
MM = Multi-Mode, SM = Single-Mode
h
Typical
Section 4.4.2
Gigabit Ethernet (1 Gbps) Optical Specifications
Fixed Gigabit Transceivers
Speed Mode
i
Connector
Type
Cable
Type
(μm)
Tx λ
(nm)
j
Tx min
(dBm)
Tx max
(dBm)
Rx
Sensitivity
(dBm)
RX
Saturation
(dBm)
Distance
(km)
j
Power
Budget
(dB)
50/125
1000Base-SX MM LC
62.5/125
850 -9 -2.5 -20 0 0.5 11