Cabletron Systems FDDI Manual

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Chapter 2:

Network Requirements

7F06-02 FDDI SmartSwitch Interface Module User’s Guide 2-3

2.1.3 FPIM-05 and FPIM-07

The FPIM-05 and FPIM-07 provide a single-mode ﬁber connection. The

FPIM-05 uses a MIC style connector and the FPIM-07 uses an SC type

connector. The speciﬁcations for both devices are listed in Table 2-4.

The link distance is up to 40 kilometers (max) and 25 kilometers (typical)

on single-mode, ﬁber-optic cable as speciﬁed by ANSI SMF-PMD.

Table 2-4 FPIM-05 and FPIM-07 Speciﬁcations

Parameter Typical Minimum Maximum

Transmitter Peak Wave Length 1300 nm 1270 nm 1330 nm

Spectral Width 60 nm - 100 nm

Rise Time 3.0 nsec 2.7 nsec 5.0 nsec

Fall Time 2.5 nsec 2.2 nsec 5.0 nsec

Duty Cycle 50.1% 49.6% 50.7%

Bit Error Rate

Better than

10

-10