Juniper G10 CMTS, Hardware Manual

Page: 54 / 210

Chassis Control Module
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
JUNOSg 3.0 G10 CMTS Hardware Guide 38
Functional Characteristics
The Chassis Control Module contains a 6 U (267 mm) x 340 mm card with a 4 HP (20 mm),
single-wide front panel. The module installs from the front of the chassis and is
hot-swappable. A Chassis Control Module must be installed in slot 6 or slot 7. These slots and
the Chassis Control Module are keyed so no other module can be installed in slot 6, and the
Chassis Control Module cannot be installed in any other slots.
The Chassis Control Module is the single access point to the G10 CMTS for a command-line
interface or SNMP management application from a remote location. The Fast Ethernet port
Eth0 is used for this purpose. For connecting to the Chassis Control Module locally, use the
Eth0 port or the RS-232 COM port on the front panel. All DOCSIS Modules can be managed
through the Chassis Control Module.
The primary functions of the Chassis Control Module are as follows:
!
Store and report configuration and alarm status on DOCSIS Modules and itself.
!
Supply software images to all DOCSIS Modules.
!
Serve as the SNMP agent for the CMTS.
!
Provide the command-line interface.
!
Run the CMTS’s Routing Engine.
!
Support the subscriber account management (SAM) interface.
!
Monitor the state of power supply and fan modules (see “Cooling and Fans” on page 29).
The Chassis Control Module contains a 500 MHz, Pentium III processor, 512 MB of RAM, and
256 MB CompactFlash, all delivering 1,300 MIPS of performance.