1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
13
Sonix Hmi-Tu Technical Manual
SONIX HMI-TU TECHNICAL MANUAL
TM377 / A June 2022 www.eaton.com
3.1.2.2 Dual Bus operation
Figure 12 – Dual bus connections
3.1.3 Connecting multiple Hmi-Tu
Amp Bus
HMi Bus
HMi Bus
I/O Bus
COMPLIANT
Sonix 2Mx Unit
J1
Sonix Hmi Unit #3
L.Spk
CH1
Flt
Mute
Att
L.Spk
CH2
Mute
Flt
J1
Sonix Hmi Unit #2
L.Spk
CH1
Flt
Mute
Att
L.Spk
CH2
Mute
Flt
2Mx Bottom
Hmi Bottom
Hmi T
op
2Mx T
op
J1
Sonix Hmi Unit #1
L.Spk
CH1
Flt
Mute
Att
L.Spk
CH2
Mute
Flt
Figure 13 – Cascaded units
Amp Bus
HMi Bus
HMi Bus
I/O Bus
COMPLIANT
Sonix 2Mx Unit
2Mx Bottom
Hmi Bottom
Hmi T
op
2Mx T
op
J1
Sonix Hmi Unit #2
L.Spk
CH1
Flt
Mute
Att
L.Spk
CH2
Mute
Flt
2Mx Bottom
Hmi Bottom
Hmi T
op
2Mx T
op
J1
Sonix Hmi Unit #1
L.Spk
CH1
Flt
Mute
Att
L.Spk
CH2
Mute
Flt
Default
Config
Power
Dist
Beacon
Amplifier
HMI
Matrix
I/O
LOCAL STATUS
Default
Config
Power
Dist
Beacon
Amplifier
HMI
Matrix
I/O
LOCAL STATUS
Sonix 2Mx Unit
LK17
10
9
LK17
10
9