28
Installation MACH1000
Release
06
03/2021
2 Power supply unit 1 Possible supply voltage
characteristic values:
CSee 1
GSee 1
3 Connection for the
signal contact
Spring-loaded terminal
2-pin
4 Supply voltage
connection
Spring-loaded terminal
3-pin
5 Grounding screw
a. In devices without PoE, power supply unit 2 is optional. It is used for redundant voltage
supply. In devices with PoE, power supply unit 2 is mandatory. It is only used to supply PoE
voltage to the connected devices.
b. For devices with PoE that have terminal connections, power supply unit 2 must be
characteristic value G.
1 Power supply unit 2
a
Possible supply voltage
characteristic values:
L DC voltage connectable
Voltage range:
See “General technical data” on
page 54.
M
b
DC or AC voltage connectable
Voltage range:
See “General technical data” on
page 54.
2 Power supply unit 1 Possible supply voltage
characteristic values:
L See 1
M See 1
3 Connection for the
signal contact
Spring-loaded terminal
2-pin
Table 5: Connections for voltage-carrying lines:
rear view of the device variants with plugged connections (above:
MAR11..., below: MAR10...)
Table 4: Connections for voltage-carrying lines:
rear view of the device variants with terminal connections
Relay 2
321 45
N
L
-/N +/L
USB
V.24
MACH 1000
2
1
P
StandByRM
FAULT
R1
R2
25
26
23
24
USB
V.24
P
StandByRM
FAULT
R1
R2
2
1
-/N +/L
2
5
34
1
-/N +/L