Allied Telesis AT-FS238b/2 User Manual
Page 50

Technical Specifications
40
Table 8 Fiber Optic Datalink
Table 9 Fiber Optic Loss Specification (Benchmark)
Model
Fiber
Type
1
1. SMF = Single-Mode Fiber
Minimum
Power/Link
Budget
Minimum
Operating
Distance
2
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.
Maximum
Operating
Distance
3
3. Distance is calculated based on ideal situations without any other loss factor.
AT-FS238a/1
9/125 SMF
Simplex
6.0 dB
0
15 km (9.4 mi)
AT-FS238b/1
9/125 SMF
Simplex
6.0 dB
0
15 km (9.4 mi)
AT-FS238a/2
9/125 SMF
Simplex
16.0 dB
0
40 km (25 mi)
AT-FS238b/2
9/125 SMF
Simplex
16.0 dB
0
40 km (25 mi)
Fiber Type
1
-
Connector
1. SMF = Single-Mode Fiber
Fiber Optic
Diameter
Optical
Wavelength
Typical Loss
Factor
Bandwidth
SMF Simplex -
SC
9/125 microns
1310 nm
0.40 dB/km
N/A