Simrad Shipmate RS8400 Introduction Manual page 28

INSTALLATION
Multiple handset connec-
tions
- up to three handsets can be con-
nected simultaneously.
#1
Dual outlet for two or more handset
sockets.
Part no. 157.2014.001
Note! Only one handset should be
Intercom
connected at a time, as the sockets
are in parallel.
Dual connection box for two hand-
sets.
#2
#3
Part no. RS8321
Handset #2 and #3 will have equal
second priority, and both can inter-
com with #1.