User manual
B&B Electronics, Inc.      SPECTRE User Manual 
25 
SPECTRE_User_Manual_2912m 
www.bb-elec.com 
www.bb-europe.com 
Fig. 20: Jumper Position for external supply 
Fig. 21: Jumper Position for RS-485 
Fig. 22: Jumper Position for internal supply 
Fig. 23: Jumper Position for RS-422 
Jumper J2 
Jumper J3 
Jumper J2 
Jumper J3 
Jumpery J4 and J5 
Jumper J6 
Jumper J6 










