Johnson GLACIAR Serie Guide D'utilisation page 88

If multiple units are connected in cascade, the unit address should be set on the DIP switch ENC1. With 0-F being valid, 0 indicates
the master unit and 1-F indicate slave units.
E BK
Y YE
X RD
CN46
WH
BR
AC2 WH
AC1 BR
E BK
Y YE
X RD
E BK
Y YE
X RD
CN46
WH
BR
AC2 WH
AC1 BR
E BK
Y YE
X RD
Fig. 8-27 Networking communication schematic of main unit and auxiliary unit for GLACIAR140M
E BK
Y YE
X RD
CN46
WH
BR
AC2 WH
AC1 BR
E BK
Y YE
X RD
28
AC2
AC1
V.1