Enterasys A4H124-24FX, Hardware Installation Manual

Page: 44 / 66

Connecting to the Network Connecting to Modem
2-20 Installation
Connecting to a Modem
To connect a modem to the A4 Console port, use a UTP serial interface cable terminated with a
DB9 female connector and a DB25 male connector and proceed as follows:
1. Connect the DB9 female connector at one end of the cable to the Console port DB9 connector
on the A4 switch. (If there is a switch designated as the manager, connect to its Console port.)
2. Plug the DB25 male connector at the other end of the cable into the modem communications
port.
3. Turn on the modem and make sure the remote modem is ON.
4. With your PC connected to the remote modem, configure your VT emulation package with
the following parameters:
When these parameters are set, the Startup screen will display. If the switches are in a stacked
configuration, proceed to “
Connecting to the Network ” on page 2-20.
Connecting to the Network
The following procedures cover the cable connections from the network or other devices to the A4
switch front panel ports.
• “ Connecting UTP Cables to RJ45 Ports ” on page 2-21
• “ Installing an Optional SFP Transceiver ” on page 2-22
• “ Connecting Fiber-Optic Cables to SFP Ports ” on page 2-26
Parameter Setting
Mode 7 Bit Control
Transmit Transmit=9600
Bits Parity 8 Bits, No Parity
Stop Bit 1 Stop Bit