1-15
Cisco AS5850 Universal Gateway Hardware Installation Guide
78-10573-06 0A
Chapter 1 Cisco AS5850 Product Overview
Field-Replaceable Units
•
Boots and reloads software images
•
Provides source clocks used by all feature cards and power supplies
•
Provides a BITS input BNC connector
•
Connects to an external alarm source through a connector located on the front panel
Install the RSC card in the Cisco AS5850 in either slot 6 or slot 7. The card plugs directly into the
backplane.
The RSC card consists of the following components:
•
CPU
–
RSC (QED RM7000 - 250MHz)
–
ERSC (Broadcom BCM1250 - 650MHZ).
•
1Gigabyte of
DDR memory on ERSC
•
I/O controller
•
Compact Flash memory card
•
Boot Flash memory
•
EEPROM
•
NVRAM
•
Packet switch ASICs
•
Fast Ethernet, console, auxiliary and two Gigabit Ethernet interfaces
For detailed specification tables, refer to
Appendix A, “Cisco AS5850 Specifications.”
Figure 1-6
shows the RSC components.
Figure 1-6
RSC Components
Note
The universal gateway supports two RSCs for a redundant connection to the network backbone or for
a split backplane configuration.
35589
M
IN
HIST
PW
R
M
IN
M
BU
S
HIS
T
PW
R
M
BU
S
SDRAM
Compact flash
Gigabit Ethernet ports
Backplane
connector