CMX228S1 MX-COM, Inc., CMX228S1 Datasheet - Page 4

• Manufacturer Part Number: CMX228S1
• Description: ISDN data and telephony protocol engine with x.25
• Manufacturer: MX-COM, Inc.

ISDN Data and Telephony Protocol Engine with x.25
1.
System Memory
DTMF Detector
MX-COM, Inc
4800 Bethania Station Road, Winston-Salem, NC, 27105-1201, USA
www.mxcom.com tel: [phone] 744 5050 fax: [phone]
All trademarks and service marks are held by their respective companies
Caller Display
LED Status
and NVRAM
Indicators
LED Status
Data Port
Indicators
CMX605
Serial
SLIC
and
Block Diagram
POTS Port
Command
Hayes AT
Handler
Handler
Figure 1: Block Diagram
Timers and Task Mailing
Memory Manager,
Task Scheduler,
4
B-channel
D-channel
LED Status
Protocol
Protocol
Indicator
Stacks
Stacks
ISDN
ISDN
Data
2000 Chiron Technology Limited
CMX228 Advance Information
Doc. # 20480216.001
2000 MX-COM, Inc.
Interface
HDLC
ISDN
Chip
Chip