Enterasys Matrix 7G4202-30, Hardware Installation Manual

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Connecting to COM Port for Local Management
3-28 Installation
a. Verify that the device at the other end of the segment is ON and connected to the segment.
b. If there are separate fiber-optic connections on the other device, check the crossover of the
cables. Swap the cable connections if necessary.
c. 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 ” in About This Guide .
If a link has not been established, refer to Chapter 4 for LED troubleshooting details. If a
problem persists, refer to “ Getting Help ” on page xxii for details on contacting
Enterasys Networks for support.
4. Repeat steps 1 through 3, above, until all connections have been made.
5. Plug the other end of the cable into the appropriate port on the other device. Some cables may
be terminated at the other end with two separate connectors, one for each fiber-optic strand. In
this case, ensure that the transmit fiber-optic strand is connected to the receive port and the
receive fiber-optic strand to the transmit port.
3.8 CONNECTING TO COM PORT FOR LOCAL MANAGEMENT
This section describes how to install a UTP 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.
3.8.1 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 cable with RJ45 connectors
•
RJ45-to-DB25 female adapter
•
RJ45-to-DB25 male adapter
With a UTP cable with RJ45 connectors and RJ45-to-DB9 adapter, you can connect products
equipped with an RJ45 COM port to an IBM or compatible PC running a VT series emulation
software package.
With a UTP cable and an optional RJ45-to-DB25 female adapter, you can connect products
equipped with an RJ45 COM port to a VT series terminal or VT type terminals running emulation
programs for the VT series.
With a UTP cable and an optional RJ45-to-DB25 male adapter, you can connect products equipped
with an RJ45 COM port to a Hayes compatible modem that supports 9600 baud.