Interphase Tech RAS Communications Controller 5536 - Manual (Page 24)

Hardware Overview
4 Interphase Corporation
• CPU mother board:
– RISC processor 32-bit PowerPC 403 GCX at
66 MHz
– 32-bit local bus at 33 MHz
– 8-Mbyte DRAM memory
– 512 KB Flash EEPROM for boot code and modem
firmware
– PCI 2.1-compliant master/target bus interface
• Internal Channel Service Unit (CSU) to enable a direct
connection to a North American T1 line
• RAS support for ISDN channels, including ISDN B
channels associated with digital modems:
– On the single-port board: RAS support for up to 30
B channels and 1 D channel (Europe and Australia)
or 23 B channels and one 1 channel (United States
and Japan)
– On the dual-port board: RAS Support for up to 60 B
channels and 2 D channels (Europe and Australia) or
46 B channels and 2 D channels (United States and
Japan)
• Three expansion slots allowing the addition of up to 18
digital modems on digital modem extension modules
• Digital modem extension cards (5536-DM modules)
available, with six digital modems in each module,
implemented with Rockwell CSM/3 chips
DM modules can be pre-installed or installed as
upgrades, depending on customers’ needs. For
information about installing DM modules, see the Read
Me First documentation included with the DM module
package.