cx28500 Mindspeed Technologies, cx28500 Datasheet - Page 16

• Manufacturer Part Number: cx28500
• Description: Cx28500 Multichannel Synchronous Communications Controller
• Manufacturer: Mindspeed Technologies

The CX28500 HDLC controller (CX28500) is a 1024-channel communications controller that operates at Layer 2 of
the Open System Interconnection (OSI) protocol reference. It provides a comprehensive, high density solution for
HDLC channels for internetworking applications.
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CX28500 interfaces to 32 independent serial data streams such as T1/E1, T3/E3, STS-1/STM-1, and DS3. It
signals and transfers data across the high performance 32/64-bit Peripheral Component Interface (PCI) bus to
system memory at a rate up to 66 MHz. Each serial port can be configured to support different types of interfaces.
All of the CX28500’s serial ports are individually programmable to operate as conventional or TSBUS serial ports.
28500-DSH-002-C
HDLC/SDLC
LAPB, LAPD
Digital Access Cross-Connect (DAC)
Frame Relay Switches and Access Devices (FRAD)
ISDN-D channel signalling
X.25
SMDS/ATM DXI
LAN/WAN access data
SONET/SDH add/drop multiplexers (ADMs)
Terminal multiplexers (TMs)
High Range/Gigabit Routers
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