Panasonic 1200N - Manual (Page 46)

Hardware Configuration and Overview of Functions Hardware Specifications
4-4 Centillion 1200N ATM Switch User Manual
NTP 297-8103-903
■ CPU is a card whose software operates to control the entire ATM Switch, and
is composed of a 64-bit RISC processor, main memory, flash memory, etc.
Hardware Block Description of Functions
Switch/
CPU card ASW ■ Cell switching control (point-to-point connection,
point-to-multipoint connection)
■ Five-class cell delay priority control
■ Cell alignment
■ Back Pressure (BP) sampling control/generation
control/multiplexing control
CLK ■ System clock generation and distribution
■ Self-running mode (self-running precision: +/- 4.6
ppm)
■ Slave mode (pull-in range: +/- 9.2 ppm, only lines
00 - 13 can be enslaved)
GWPAD ■ Cell assembly/disassembly control (transmission/
reception 512 connection)
■ DMA transfer control (burst access)
CPU ■ RISC processor installed
■ Main memory 32 Mbytes
■ Flash memory (PCMCIA card)
■ LAN interface control (Ethernet) (PCMCIA card)
■ SIO interface (RS-232C)
■ Clock