IBM AT-FS202SC/FS3 - Manual (Page 32)

Technical Specifications
24
Table 11 Fiber Optic Loss Specification (Benchmark)
Pinout Assignments
Figure 5 shows the pin assignments of the RJ-45 connector.
Figure 5 RJ-45 Pin Assignments
AT-FS202SC/
FS3 9/125
SMF 33.00 dB 35.00 dB 15 km (9.4
mi) 75 km (46 mi)
AT-FS202SC/
FS4 9/125
SMF 34.0 35.5 dB 40 km
(24.8 mi) 100 km (62
mi)
1. MMF = Multimode Fiber / SMF = Single-mode Fiber.
2. The recommended minimum range is stated in all cases where the maximum transmitter output power
exceeds the receivers saturation level. This is to prevent blinding or burning out of the optical receiver
on the far-end node.
Fiber
Type
1
1. MMF = Multimode Fiber / SMF = Single-mode Fiber.
Fiber
Optic
Diameter Optical
Wavelen
gth Typical
Loss
Factor Worst
Case Loss
Factor
Bandwidth
MMF 50/125
microns 1310 nm 1.00 dB/
km 1.50 dB/
km 400 Mhz-
km
62.5/125
microns 1310 nm 1.00 dB/
km 1.50 dB/
km 500 Mhz-
km
SMF 9/125
microns 1310 nm 0.40 dB/
km 1.00 dB/
km Not
applicable
SMF 9/125 1550 nm 0.30 dB/
km 0.75 dB/
km Not
applicable
Model
Fiber
Type
1
Minimum
Power/
Link
Budget
Average
Signal
Loss (dB) Minimum
Distance
Specs.
2
Maximum
Distance
Specs.
8
8
1 1