Cisco ASR 920 series Instrukcja instalacji sprzętu - Strona 18
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Cisco ASR 920 Router Features
This is a debug-only port. it is recommended that this port be used by field service engineers only.
Note
Power Supply and Fans
The Cisco ASR 920 routers support either AC or DC power supplies in a 1+1 redundant configuration.
Note
The power supply units are built-in and are not modular.
Table 1-2
Specification
Voltage
Current
Input Power
Note
This product requires surge protection as part of the building installation. To comply with the Telcordia
GR-1089 NEBS standard for electromagnetic compatibility and safety, an external surge protective
device (SPD) is required at the AC power service equipment.
For DC systems, if a surge of more than 500 V is expected, add an appropriate external surge protective
Note
device.
The Cisco ASR 920 routers have fixed fans are part of the system. The system is designed to operate at
its maximum operating temperature of 70º C and at 65º C in case of failure of a single fan, for a maximum
of four hours. The fan is not removable and in case of a failure, the system must be replaced.
In case of power supply or fan failure, it is highly recommended to let a Cisco technician replace the
Caution
router.
LED Indicators
This section describes the different types of LEDs and their behavior.
PWR and STAT LEDs
The PWR and STAT LEDs are available on the front panel. These LEDs provide power on the board
(PWR) and overall router health (STAT) status. During power up state, these LEDs provide booting
status and report errors.
Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide
1-8
Power Supply Specification
AC
100 V – 240 V
2A through a standard C16 type
receptacle
115 W
(ASR-920-12CZ-A/ASR-920-4SZ-A)
Chapter 1
Cisco ASR 920 Series Aggregation Services Router Overview
DC
24 V – 60 V
6A through a three-position terminal block
105 W
(ASR-920-12CZ-D/ASR-920-4SZ-D)
OL-32751-01