Cabletron Systems NBR-420 - Manual (Page 41)

Chapter 3: Installation
Page 3-24 NBR-SERIES Installation Guide
Connect an EPIM-A to an external network segment as follows:
1. Check that the PWR LED on the EPIM-A is on. If the PWR LED is
off, contact Cabletron Systems Technical Support.
2. Attach an external transceiver to the network segment intended for
AUI port connection. For additional information, refer to the
applicable transceiver manual.
3. Attach an AUI cable, no longer than 50 meters in length, to the
transceiver you connected to the network in Step 2.
4. Connect the AUI cable to the AUI port located on the EPIM-A. See
Figure 3-17.
Figure 3-17 The EPIM-A
5. Lock the AUI connector into place using the connector slide latch.
6. If the transceiver PWR LED is off with the AUI cable connected,
perform the following steps:
a. Check the AUI connections for proper pinouts. Appendix B lists
the pinouts for the transceiver connection.
b. Check the cable for continuity.
c. Reconnect the AUI cable to the NBR and the device.
If the transceiver PWR LED remains off, contact Cabletron Systems
Technical Support.
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