ADEMCO 

4110/XM/DL = 4110
4120/EC = 4120
4140/XM/Vista40 = 4140
5140/XM = 5140
Vista 10/SE = 4111 
Vista 20/SE = 4112 
	
C&K 

All = 012345 * 0 #	
	
CADDX 

All = 9713	
	
DSC 

PC550   = 0550 or 500
PC560   =
PC580   =
PC1000 = 1000
PC1150 = 1212  
PC1550 = 1500 or 1550
PC1555 = 5555
PC2500 = 2500
PC2525 = 2525
PC2530 = 2530
PC2550 = 2500  
PC3000 = 3000	
PC4010 = 4010
PC5010 = 5010
PC4020 = 4020

EAGLE 

4700 = 4700  
6000 = (None short terminals 3 & 6 then hold down 8 key) 
8000 = 815487	
	
FBI  

XL-1/XL-2 4500/4600 = 4600 
XL-21 = 2121  
XL-2 Gold = 2121 
XL3/31/XL4612 = 4612 
EZ4800 = 123456 
XL4 = 123456	
	
ITI

Caretaker = Blank
All = 4321

MOOSE 

Z900 = 9-96321 
Z911/Z1100 = 9-98765	
	
NAPCO

1000/1008/1016 = 456789 
XP400-XP600 = 4567

PARADOX

728EX+ = 727272
728EX4+ = 727272
728+ = 282828
728DZ8+ = 282828
738EX+ = 737373
738+ = 383838
748+ = 484848