NBB-115 & NBB-230: Network Boot Bars - User's Guide
4.3. Console Port Connection
The Console Port is a male, RS232C DB9 connector, wired in a DTE
configuration similar to an AT computer. In the default state, the Console port
is configured for 9600 bps, no parity, 8 data bits, 1 stop bit. The Console Port
can be connected to either an external modem or a local PC, but not both items
at the same time. Appendix A describes the Console Port interface.
4.3.1. Connecting a Local PC
When connecting the Console Port to a Local PC, note that the port uses a
DTE configuration. After the Local PC has been connected, make certain to
set the Serial Port Mode to "Console" as described in Section 5.3.1.
4.3.2. Connecting an External Modem
When connecting directly to an external modem, use a standard AT Style
to Modem cable. Make certain that the modem is initialized to the same
default communications parameters as the NBB Console Port. Next, refer
to Section 5.3.1 and set the Serial Port Mode to "Modem". If necessary, you
may also wish to redefine the Modem initialization command at this point as
described in Section 5.3.1. Please refer to the modem user’s guide for more
4.4. Connecting the Network Cable
The Network Port is an RJ45 Ethernet jack, for connection to a TCP/IP
network. Connect your 10Base-T cable to the Network Port. Note that the
NBB includes a default IP address ( and a default subnet
mask ( When installing the NBB in a working network
environment, it is recommended to define network parameters as described in
Section 5.3.3.
Note: The NBB features a 10Base-T Interface. When connecting
to a 100Base-T interface, most router switches will autosense
to determine if the device is 100Base-T or 10Base-T, and then
configure the network interface accordingly. If your router switch
does not autosense, the network interface port must be manually set
to 10Base-T.
This completes the NBB installation instructions. Please proceed to the next
Section for instructions regarding unit configuration.
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