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APPENDIX A: EPIM INFORMATION
A-2 SEH USER’S GUIDE
A.1.2 EPIM-F1 and EPIM-F2
The EPIM-F1 and EPIM-F2 shown in Figure A-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 A-2. EPIM-F1 and EPIM-F2
Note
: The transmitter power levels and receive sensitivity levels listed are
Peak Power Levels after optical overshoot. Use a Peak Power Meter
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
1490_30