1152A1 Mid-Span Power Distribution Unit
Issue 3 January 2008 121
To connect the 1152A1 Power Distribution Unit:
1. Plug a power cord into the power socket on the rear of the 1152A1 Power Distribution Unit.
2. Plug the other end of the power cord into the power receptacle.
The 1152A1 PDU powers up, and the internal fans begin operating.
The 1152A1 PDU then runs through its Power On Self Test (POST), which takes less than
10 seconds. During the test, all the ports on the unit are disabled and the LEDs light up. For
more information on the test, see the user’s guide that comes with the unit.
Connecting the cables
All of the ports on the front of the 1152A1 PDU are configured as data route-through ports for all
data wires (pins 1, 2, 3 and 6).
Use a standard CAT5, CAT6 or CAT6e straight-through Ethernet cable (not supplied), including
all eight wires (4 pairs) as shown in Figure 55: Connecting telephones and other end devices to
the 1152A1 PDUon page 121.
Figure 55: Connecting telephones and other end devices to the 1152A1 PDU
For Data-In ports connect the Ethernet cable leading from the Ethernet Switch/Hub to the Data
port. For Data & Power Out ports, connect the Ethernet cable leading to the telephone or other
end device to the corresponding Data & Power port.
Note:
Note: Be certain to connect correspondingly numbered Data and Data & Power ports.
AC
Console
12
3456 13 14 15 16 17 18 19 20 21 22 23 24
789101112
1152A1 Power
Distribution Unit
Data &
Power
Data
48Vdc
End Device
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
RJ-45 IN RJ-45 OUT
Ethernet
Switch/Hub
RJ-45
RJ-45
data
data
data
DC +
data
DC -
data
data
data
data
spare
spare
spare
spare
Data In
Data & Power Out
DC +
DC -
1152A1 Power Distribution Unit