Cisco Systems AS5800 manual Dial Shelf Controller Card, Memory Type Size Quantity Product Number

Table 1-2

For detailed specification tables, refer to Appendix A, “Cisco AS5800 Specifications.” Table 1-2lists the dial shelf controller card memory components and product numbers.

Dial Shelf Controller Card Memory Components

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:

Dial Shelf Controller Card

The dial shelf controller card is the main processor card for the dial shelf, and it performs the following functions:

Dial Shelf Controller Card

•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

•CPU (IDT R4700)

•150-MHz microprocessor

•I/O controller

•Onboard Flash memory

•PCMCIA Flash memory

•Boot Flash memory

•EPROM

Memory Type	Size	Quantity	Product Number
DRAM	32 MB	2 16-MB SIMMS	MEM-DS58-16M
PCMCIA Flash	8 MB	1	MEM-DS58-FLC8M=
(choose one)	16 MB	1	MEM-DS58-FLC16M=
	20 MB	1	MEM-DS58-FLC20M=

Note DRAM for the DSC card is not orderable as a spare. Contact Cisco’s 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.

Cisco AS5800 Product Overview 1-17