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Cisco ASR 1002-X Router Power Supplies
Connecting the –48 VDC Input Power to the Cisco ASR 1002-X Router
The –48 VDC power supply input connector is a Euro-style terminal block. A means to provide strain
relief to the input wires is provided on the power supply. The connection order is negative (–), positive
(+), and GND. However, this is the order from left to right in which the terminals appear on the power
supply, not the order in which the leads should be connected during installation. The order in which the
leads should be attached is GND, positive (+), and negative (-).
The recommended branch circuit breaker for the Cisco ASR 1002-X Router –48 VDC power supply is
30 A. Use an AWG #10 wire gauge on the 30 A circuit.
Figure 10-23
Figure 10-23
1
0
1 Chassis ESD socket
2 –48 VDC power supply slot 0 label
3 –48 VDC power supply switch Standby/On
4 –48 VDC power supply LEDs
5 Fan
Table 10-10
Table 10-10
Cisco ASR 1002-X Router –48 VDC Power Supply LEDs
LED Label
LED
INPUT OK
A bi-color LED
indicates the presence
of input voltage
Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation Guide
10-34
shows the –48 VDC power supply for the Cisco ASR 1002-X Router.
–48 VDC Power Supply for the Cisco ASR 1002-X Router
2
3
4
OUTPUT INPUT
FAN
FAIL
OK
OK
This unit might have more than
one power supply connection.
All connections must be removed
to de-energize the unit.
-48V/-60V
16A
10
9
8
describes the LEDs on the Cisco ASR 1002-X Router –48 VDC power supply.
Color
Green
Amber
Chapter 10
5
6
6
–48 VDC power supply captive installation
screw
7
–48 VDC power supply slot 1 label
8
Ground lead
9
Positive lead
10 Negative lead
Description
LED turns green to signal that the –48 VDC power supply input
voltage is greater than 43.5VDC at start and remains green down to
39VDC.
The LED turns amber if the power supply turns off due to low input
voltage (falls below 39VDC) and indicates that there is still a hazard
present (voltage on the terminal block). The LED remains amber and
is active till around 20 V +/-5 V. The LED is not illuminated if the
input is below 15 V.
Cisco ASR 1002-X Router Overview and Installation
OUTPUT INPUT
FAN
FAIL
OK
OK
This unit might have more than
one power supply connection.
All connections must be removed
to de-energize the unit.
-48V/-60V
16A
1
7
OL-13208-11
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