Debug y análisis de equipos HP/3com

pu port             /dev/ttyUSB0
pu baudrate         38400
pu bits             8
pu parity           N
pu stopbits         1
pu hasdcd           No 
pu rtscts           No 
pu xonxoff          No 

<HP 1910G Switch>_cmdline-mode on
All commands can be displayed and executed. Continue? [Y/N]Y

↓↓↓↓↓↓↓↓ Default password is below, ↓↓↓↓↓↓↓↓
Please input password: 512900

Warning: Now you enter an all-command mode for developer's testing, 
some commands may affect operation by wrong use, please carefully 
use it with our engineer's direction.
<HP 1910G Switch> system-view 
System View: return to User View with Ctrl+Z.
[HP 1910G Switch]?

<HP 1920G Switch> _cmdline-mode on
All commands can be displayed and executed. Continue? [Y/N] Y

↓↓↓↓↓↓↓↓ Default password is below, ↓↓↓↓↓↓↓↓
Please input password: Jinhua1920unauthorized

<HP 1920G Switch> system-view
System View: return to User View with Ctrl+Z.

• Username: admin
• Password: <blank>

local-user cayu
authorization-attribute level 3
service-type ssh telnet terminal

ssh server enable