Brother HL-7050N - Manual (Page 136)

TCP/IP CONFIGURATION 12 - 13
YL4US_FAX2800MFC4800-FM5.5
If you have a gateway (router), enter its address with the command
SET IP ROUTER routeraddress , where routeraddress is the
desired IP address of the gateway you wish to assign to the print
server. For example:
Local> SET IP ROUTER 192.189.207.1
To verify that you have entered the IP information correctly, type
SHOW IP .
Type EXIT or CTR-D (i.e., hold down the control key and type "D")
to end the remote console session.
Other Sources of Information
Visit http://solutions.brother.com/ for more information on TCP/IP
protocol.