How to configure Cisco IOS Banners

Hi Laz,
I have tried your describe way but can’t connect …My setup is …
I have a online router(Name DHAKA) that’s loopback is reachable from internet .Now connect this router(DHAKA) AUX port to another router(Name KHULNA) console port using straight through(T568B used) cable and Telnet to loopback of DHAKA Router and configured the aux port like …

DHAKA#config t
DHAKA(config)#line aux 0
DHAKA(config-line)#modem InOut
DHAKA(config-line)#transport input all
DHAKA(config-line)#speed 19200
DHAKA(config-line)#exit
and check the line of Aux port ....
DHAKA# sh line
 Tty Typ     Tx/Rx    A Modem  Roty AccO AccI   Uses   Noise  Overruns   Int
      0 CTY              -    -      -    -    -      0       0     0/0       -
      **5 AUX  19200/19200 - inout     -    -    -      7       0     0/0**       -
*     6 VTY              -    -      -    -    - 101226       0     0/0    

And telnet from the DHAKA Router with correct port …

DHAKA# telnet ( The loopback is reachable from internet) 2005

but I cannt connect to KHULNA Router …Please help me to understand the issue .Thx

br//zaman