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Appendix A: EPIM Information
A-4 SEHI User’s Guide
A.1.4 EPIM-C
The EPIM-C supports thin coaxial cabling and is equipped with an
internal Cabletron Systems TMS-3 Transceiver. Use the TERM switch on
the front of the EPIM-C to set the internal 50-ohm terminator. This
eliminates the need to connect the port to a T-connector and terminator.
Figure A-4 shows the setting for the terminator switch.
Figure A-4 EPIM-C
Connector Type
BNC receptacle, with gold center contact, for use with BNC type
T-connectors and RG58 thin coaxial cable.
Grounding
The BNC port of the Coaxial Interface Module is not connected to earth
ground.
z
For safety, ground only one end of a thin coaxial segment. Do
NOT connect EPIM BNC ports to earth ground. Connecting a
thin coaxial segment to earth ground at more than one point
can produce dangerous ground currents.
EPIM-C
Internal Termination Switch
= On (internally terminated)
= Off (need external termination)
TERM
1490_34
SEHI Book Page 4 Friday, April 19, 1996 10:46 AM