96
IBM 8265: Planning and Site Preparation Guide
SC Connector
The SC (subscriber connector) terminates one singlemode or multimode optical fiber
strand. A field termination kit is needed to install the connector.
Transmitter Electrical Characteristic
s
Receiver Electrical Characteristic
s
Figure 28. SC Connector
Table 66. Transmitter Electrical Characteristics for SC Connectors
Parameter
Minimum
Maximum
Unit
Data rate (NRZ encoding)
10
160
Mbps
Average optical power (BOL)
1
-19
-14
dBm
Output rise time/fall time
2
0.6
3.0
ns
Optical wavelength (center)
2
1270
1380
nm
Notes:
1. Measured average power coupled into 0.29 NA, 62.5/125 µm fiber.
2. The optical rise time, fall time, center wavelength, and spectral width fit within
the boundaries outlined in ANSI X3T9.5 PMD.
Table 67. Receiver Electrical Characteristics for SC Connectors
Parameter
Minimum
Maximum
Unit
Data rate (NRZ encoding)
10
160
Mbps
Average optical sensitivity
1
-30
—
dBm
Average maximum input power
2
—
-14
dBm
Optical wavelength for rated sensitivity
1270
1380
nm
Notes:
1. Average optical power coupled from a 0.29 NA, 62.5/125 µm fiber at 125Mbps
with a 2
7
–1 pseudo random data pattern with a 50% duty cycle for a Bit Error
Ratio (BER) of 2.5 x 10
–10
(optimum sensitivity with 0 eyewidth).
2. The maximum average input power corresponds to a minimum eyewidth of
2.1 ns at 2.5 x 10
–10
BER.
Summary of Contents for 8265
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