Network Card User Manual

Cisco AS5800 Product Overview 1-17
Dial Shelf Controller Card
Dial Shelf Controller Card
The dial shelf controller card is the main processor card for the dial shelf, and it performs the
following functions:
Links the dial shelf to the router shelf, where data is transferred as Ethernet packets encapsulated
in proprietary protocol
Interconnects trunk cards and modem cards
A backplane interconnect concentrator on each dial shelf controller card connects to each dial
shelf card installed in the dial shelf.
Boots and reloads software images
Provides source clocks used by all dial shelf cards and power supplies
Extracts an external reference clock from an external E1 or T1 signal through a BNC connector
on the front panel
Connects to an external alarm source through a DB-15 serial connector located on the front panel
Install the dial shelf controller card in the Cisco 5814 dial shelf in either of the two far-right slots
(numbered 12 and 13). The card plugs directly into the backplane.
The dial shelf controller card consists of the following components:
CPU (IDT R4700)
150-MHz microprocessor
I/O controller
Onboard Flash memory
PCMCIA Flash memory
Boot Flash memory
EPROM
For detailed specification tables, refer to Appendix A, Cisco AS5800 Specifications.
Table 1-2 lists the dial shelf controller card memory components and product numbers.
Table 1-2 Dial Shelf Controller Card Memory Components
Note DRAM for the DSC card is not orderable as a spare. Contact Ciscos Technical Assistance
Center (TAC) at 800 553-2447, 408 526-7209, or tac@cisco.com for a replacement if you believe
your DSC card DRAM is faulty.
Memory Type Size Quantity Product Number
DRAM 32 MB 2 16-MB SIMMS MEM-DS58-16M
PCMCIA Flash
(choose one)
8 MB
16 MB
20 MB
1
1
1
MEM-DS58-FLC8M=
MEM-DS58-FLC16M=
MEM-DS58-FLC20M=