IBM42F10SNNAA20
IBM42F12SNNAA20
Gigabit Ethernet/Fibre Channel Small Form Factor Transceiver with Signal Detect
Optical Cable and Connector Specifications
Symbol
Parameter
Min
Typical
Max.
Unit
Notes
50/125 µm Cable Specifications (Multimode 850nm, 400MHz-km)
Length - 1.25Gb/s
L
L
2
2
500
450
m
m
Length - 1.0625Gb/s
Bandwidth @ λ = 850nm
Attenuation @ λ = 850nm
Numerical Aperture
BW
400
MHz-km
µ
3.5
dB/km
c
N.A.
0.20
50/125 µm Cable Specifications (Multimode 850nm, 500MHz-km)
Length - 1.25Gb/s
L
L
2
2
550
500
m
m
Length - 1.0625Gb/s
Bandwidth @ λ = 850nm
Attenuation @ λ = 850nm
Numerical Aperture
BW
500
MHz-km
µ
3.5
dB/km
c
N.A.
0.20
0.275
0.275
62.5/125 µm Cable Specifications (Multimode 850nm, 160MHz-km)
L
L
Length - 1.25Gb/s
2
2
220
250
m
m
Length -1.0625Gb/s
Bandwidth @ λ = 850nm
Attenuation @ λ = 850nm
Numerical Aperture
BW
160
MHz-km
dB/km
3.75
N.A.
62.5/125 µm Cable Specifications (Multimode 850nm, 200MHz-km)
L
L
Length - 1.25Gb/s
2
2
275
300
m
m
Length - 1.0625Gb/s
BW
200
MHz-km
dB/km
Bandwidth @ λ = 850nm
Attenuation @ λ = 850nm
Numerical Aperture
3.75
N.A.
LC Optical Connector
µ
Nominal Attenuation
0.3
0.2
0.5
dB
dB
1
1
1
con
con
σ
Attenuation Standard Deviation
Connects/Disconnects
250
cycles
1. The optical interface connector dimensionally conforms to the industry standard LC type connector documented in Ref [1]. A dual
keyed LC receptacle mechanically aligns the optical transmission fiber to the SFF-1063/1250N-SW.
SFF20.01
04/11/00
Page 11 of 17
IBM [ IBM ]
