參數(shù)資料
型號: T7698
廠商: Lineage Power
英文描述: Quad T1/E1 Line Interface and Octal T1/E1 Monitor(四T1/E1線接口和八T1/E1監(jiān)控器)
中文描述: 四T1/E1線路接口和八路的T1/E1監(jiān)視器(四個T1/E1線接口和八T1/E1的監(jiān)控器)
文件頁數(shù): 50/112頁
文件大?。?/td> 1359K
代理商: T7698
Data Sheet
January 1999
T7698 Quad T1/E1 Line Interface and Octal T1/E1 Monitor
50
Lucent Technologies Inc.
Frame Monitors
(continued)
5-5251(F).ar.4
Figure 17. Block Diagram of the Frame Monitor
LINE
DECODER
– B8ZS
– HDB3
RPD
RND
RCLK
RDATA
T1/E1
TIMING
GENERATOR
SYNC
SYNC
FRAME
ALIGNMENT
MONITOR
RECEIVE DATA
LINK EXTRACTOR
– SLC-96
– DDS
– ESF
– CEPT
RECEIVE FDL/HDLC MONITOR
– 64-byte RECEIVE FIFO
– TRANSPARENT AND HDLC MODES
– ANSI PRM EXTRACTION
– ANSI BIT-ORIENTED MESSAGES
DETECTION
16-bit PERFORMANCE
COUNTERS AND
STATUS REGISTERS
PARAMETER
REGISTERS
FRAMER/MONITOR
MICROPROCESSOR
INTERFACE
DO[7:0]
R
W
A
D
F
F
T1/E1 PERFORMANCE/ALARM MONITOR
– LINE FORMAT VIOLATION (BIPOLAR,
CODE, EXCESSIVE ZEROS)
– FRAMING BIT ERRORS
– CRC ERRORS
– CEPT E BIT = 0 CONDITIONS
– CEPT SA6 CODES
– ERRORED SECONDS
– BURSTY ERRORED SECONDS
– SEVERELY ERRORED SECONDS
– UNAVAILABLE STATES
– LOSS/CHANGE OF FRAME
ALIGNMENT
– REMOTE FRAME ALARM
– ALARM INDICATION SIGNAL
– LINE LOOPBACK MONITOR
– CEPT AUXILARY PATTERN MONITOR
– LOSS OF CEPT CRC-4 MULTIFRAME
ALIGNMENT
– CEPT CRC-4 100 ms/400 ms TIMER
EXPIRATIONS
RDLDATA
RDLCLK
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