The VT220-compatible keyboard and N-108 keyboard are Digital-style keyboards that may be used with either VMS or ULTRIX keymaps. The default keymap differs depending on whether the server host is running the VMS or ULTRIX operating system. (See Table 17-4 and Table 17-5.) 
 VT220-Compatible Keyboard
Figure 17-3 illustrates the legends and keycodes on the US type of the VT220-compatible keyboard. The VT220-compatible keyboard has four LEDs. Their default values are: 
LED1
 
Net on all HMX series, X1 on all Explora series
 
LED2
 
Caps
 
LED3
 
x2
 
LED4
 
x4
 
 
The Setup key combination for the VT220-compatible keyboard is Compose-F3. To access the Boot Monitor from a VT220-compatible keyboard after booting, use the Ctrl-Compose-F3 key combination.
 N-108 Keyboard
Figure 17-4 illustrates the legends and keycodes of the N-108 keyboard. 
The 108-key keyboards have four LEDs. Their default values are: 
LED1
 
Net on all HMX series, X1 on all Explora series
 
LED2
 
x2
 
LED3
 
Caps Lock
 
LED4
 
x4
 
 
  
 

 Table 17-4   VT220-Compatible/N-108 Default Keysyms for ULTRIX   
 
Table 17-5   VT220-Compatible/N-108 Keysyms for VMS