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Connecting to COM Port for Local Management
4.
Verify that a link exists by checking that the port RX LED is on (flashing amber,
blinking green, or solid green).
5.
If the RX LED is off, perform the following steps until it is on:
a.
b. If there are separate fiber‐optic connections on the other device, check the
c.
6.
Repeat steps 1 through 5, above, until all connections have been made.
Connecting to COM Port for Local Management
This section describes how to install a UTP straight‐through cable with RJ45 connectors
and optional adapters to connect a PC, a VT series terminal, or a modem to an
Enterasys Networks module to access Local Management. This section also provides the
pinout assignments of the adapters.
What Is Needed
The following is a list of the user‐supplied parts that may be needed depending on the
connection:
•
RJ45‐to‐DB9 female adapter
•
UTP straight‐through cable terminated at both ends with RJ45 connectors
•
RJ45‐to‐DB25 female adapter
•
RJ45‐to‐DB25 male adapter
3-24 Installation
Note: When installing Mini-GBICs in the front-panel ports 1 through 18, you may
need to select a group of ports to verify the port operation. Initially GROUP 1 LED is
green, indicating that the status RX/TX LEDs are showing the activity on Group 1
ports (1 through 6). To view the receive and transmit activity on another group, press
the GROUP SELECT button for less than one second (refer back to
step to the next GROUP (1, 2, or 3) of 6 ports. The receive and transmit activity for
that group of segments is then indicated by the RX and TX LEDs for each segment.
Verify that the device at the other end of the segment is ON and connected to the
segment.
crossover of the cables. Swap the cable connections if necessary.
Check that the fiber‐optic connection meets the dB loss and cable specifications
outlined in the Cabling Guide for multimode fiber‐optic cabling. To obtain this
document, refer to "Related Documents" on page i‐xvii.
Note: If a link has not been established, refer to
details. If the problem persists, refer to
contacting Enterasys Networks for support.
Chapter 4
for LED troubleshooting
"Getting
Help" on page xviii for details on
Figure
3-7) to
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Table of Contents
Troubleshooting
