Hirschmann MACH 1020, User Manual

Page: 23 / 64

Installation MACH1000
Release 02 03/2013
23
1 Power supply unit 2
a
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.
Possible types: L DC voltage connectable
Voltage range: see
page 52
“General technical data”
M
b
b. For devices with PoE that have plugged connections, power supply unit 2 must be type
“M”.
DC or AC voltage connectable
Voltage range: see
page 52
“General technical data”
2 Power supply unit 1 Possible types: L See 1
M See 1
3 Connection for the signal
contact
 Spring-loaded terminal
 2-pin
4 Connection for the supply
voltage
 Spring-loaded terminal
 3-pin
5 Grounding screw
Table 4: Connections for voltage-carrying lines:
rear view of the device variants with plugged connections (above:
MAR11..., below: MAR10...)
Relay 2
3 2 1 4 5
N L
-/N +/L
USB V.24
MACH 1000
2
1
P
StandBy RM
FAULT R1 R2
25 26
23 24
USB V.24
P
StandBy RM
FAULT R1 R2
2
1
-/N +/L
2
5
3 4
1
-/N +/L