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Appendix B: EPIM Specifications
Page B-2 NBR-SERIES Installation Guide
B.3 EPIM-F1/F2
The EPIM-F1 and EPIM-F2 shown in Figure B-2 support Multimode
Fiber Optic cabling. Each EPIM has an internal Cabletron Systems
FOT-F Fiber Optic Transceiver. The EPIM-F1 is equipped with SMA
Connectors and the EPIM-F2 is equipped with ST Connectors.
Specifications for the EPIMs are listed below.
Figure B-2 EPIM-F1 and EPIM-F2
The transmitter power levels and receive sensitivity levels listed are Peak
Power Levels after optical overshoot. Use a Peak Power Meter to compare
the values given above to those measured on any particular port. If Power
Levels are being measured with an Average Power Meter, add 3 dBm to
the measurement to compare the measured values to the values listed (i.e.,
-33.5 dBm average + 3 dBm =-30.5 dBm peak).
Parameter
Typical
Value
Worst
Case
Worst
Case
Budget
Typical
Budget
Receive
Sensitivity -30.5 dBm -28.0 dBm
——
Peak Input Power -7.6 dBm -8.2 dBm — —
Transmitter Power
50/125 µm fiber -13.0 dBm -15.0 dBm 13.0 dB 17.5 dB
62.5/125 µm fiber -10.0 dBm -12.0 dBm 16.0 dB 20.5 dB
100/140 µm fiber -7.0 dBm -9.0 dBm 19.0 dB 23.5 dB
Error Rate Better than 10
-10
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