Cisco Systems OL-31454-01 Manual De Usuario
1-7
Cisco 2010 Connected Grid Router Hardware Installation Guide
OL-31454-01
Chapter 1 Overview of the Router
Hardware Features
The router can accommodate four single-wide GRWICS, or two single-wide GRWICs and one
double-wide GRWIC, or two double-wide GRWICs at any one time. See
double-wide GRWIC, or two double-wide GRWICs at any one time. See
Memory
Cisco CGR 2010 routers contain the following types of memory:
•
DDR2—Stores the running configuration and routing tables, and is used for packet buffering by the
network interfaces. Cisco IOS software executes from DRAM memory. Supports 1-GB on board
DDR2.
network interfaces. Cisco IOS software executes from DRAM memory. Supports 1-GB on board
DDR2.
•
Boot/NVRAM—Stores the bootstrap program (ROM monitor), the configuration register, and the
startup configuration.
startup configuration.
•
Flash memory—External flash memory. Stores the operating system software image. Supports two
external 4 GB I-temp compact flash memory cards.
external 4 GB I-temp compact flash memory cards.
•
Two 1-GB USB flash memory sticks (MEMUSB-1024FT), one each in drives USB 0 and USB 1.
Power Supplies
Cisco CGR 2010 supports three PSUs (power supply units). Power supplies are field replaceable,
externally accessible, and hot swappable.
externally accessible, and hot swappable.
The three power supply options are summarized in
:
Note
Any combination of power supplies can be inserted into the chassis. Dual power supply configurations
are load sharing in redundancy mode. A single power supply is sufficient for supporting power needs to
the system.
are load sharing in redundancy mode. A single power supply is sufficient for supporting power needs to
the system.
Caution
Two types of power supplies are supported on the Cisco CGR 2010 router: a low-voltage DC power
supply and a high-voltage DC/AC power supply. Take caution when selecting the correct input voltage
for the power supply installed or damage will result. For details on connecting AC and DC power
supplies, see the
supply and a high-voltage DC/AC power supply. Take caution when selecting the correct input voltage
for the power supply installed or damage will result. For details on connecting AC and DC power
supplies, see the
Table 1-3
Power-Supply Modules
Model
Description
PWR-RGD-AC-DC
High-voltage AC or DC power supply.
PWR-RGD-LOW-DC
Low-voltage DC power supply.
PWR-RGD-AC-DC-C
High-voltage AC or DC power supply. China-specific model.
Table 1-4
Cisco CGR 2010 Power Options
Router
AC
AC + POE
DC
Hot Swap
Internal RPS
1
Dual DC
2
CGR 2010
Yes
No
Yes
Yes
Yes
No