Connecting The Optical Bypass Switch - Cabletron Systems 3F00-01 User Manual

You can use a MIC A plug and the FDDI MIC A receptacle instead of
MIC B, in which case the equivalent RING A LEDs will be on.

2.4.5 Connecting the Optical Bypass Switch

The OBS has three built-in cables with MIC A and MIC B plugs and a
male RJ-11 connector for connecting to the 3F00-01 or 3F55-01. It also
contains MIC A and MIC B receptacles for connecting to the ring.
Figure 2-9 shows the OBS connectors.
You also need two cable assemblies consisting of a fiber cable appropriate
to the type of cabling you are using (either multimode or single mode)
with a MIC A plug on one end and a MIC B plug on the other end to
connect the OBS to the ring.
MIC A
MIC B
Figure 2-9 Connecting the Optical Bypass Switch
1. Attach the MIC A and MIC B plugs on the OBS to the receptacles
labeled "FDDI MIC A" and "FDDI MIC B" respectively on the
module front panel.
2. Plug the male RJ-11 connector on the OBS into the female RJ-11
connector on the module front panel.
3. Attach the MIC A plug on the end of the first cable assembly to the
MIC A receptacle on the OBS (Figure 2-9).
FDDI Dual-Attached Intelligent Module User's Guide
Chapter 2: Connecting to the Network
3F00-01 Front Panel
Optical
Bypass
Switch
MIC A
RJ11 Connector
MIC B
ATX
Page 2-13