Siemens UL 1066 Operating Instructions Manual page 160

Circuit breaker with COM15/16 module
(1) Only if there are more than 2
Connecting cables between the X8 and the first
(2) Connecting cables between
c
(3) modules
(4) Terminating resistor 120
(5) Connecting cables between the modules for 24 V DC voltage supply
(6) Connecting cable between COM15/16 and the first
(7) COM15 / COM16
9 – 80
c
modules:
c
c
modules

0.5 W
c
module for 24 V DC voltage supply
module (with two RJ45 plugs)