TFRA08C13-DB AGERE [Agere Systems], TFRA08C13-DB Datasheet - Page 77

• Manufacturer Part Number: TFRA08C13-DB
• Description: TFRA08C13 OCTAL T1/E1 Framer
• Manufacturer: AGERE [Agere Systems]

Preliminary Data Sheet
October 2000
Lucent Technologies Inc.
Lucent Technologies Inc.
Alarms and Performance Monitoring
Figure 28 illustrates the various loopback modes implemented by each framer unit.
LINE
LINE
LINE
(5) CEPT NAILED-UP BROADCAST TRANSMISSION
(3) SINGLE TIME-SLOT SYSTEM LOOPBACK
TRANSMIT PROGRAMMABLE LINE IDLE CODE
SYSTEM TS-X AND SYSTEM TS-0
FRAMER
FRAMER
RECEIVE SYSTEM DATA
TRANSMIT LINE TS-X IN
IN REGISTER FRM_PR22
IN OUTGOING LINE TS-X
(1) LINE LOOPBACK
IS IGNORED
Figure 28. Loopback and Test Transmission Modes
ES
ES
LINE
(7) CEPT NAILED-UP CONNECT LOOPBACK
LOOPBACK TS-X
FRAMER
SYSTEM
SYSTEM
SYSTEM
LOOPBACK TS-X IN TS-0
(continued)
ES
LINE
LINE
LINE
AIS
TRANSMIT PROGRAMMABLE IDLE CODE
(4) SINGLE TIME-SLOT LINE LOOPBACK
TFRA08C13 OCTAL T1/E1 Framer
(6) PAYLOAD LINE LOOPBACK
SYSTEM
FRAMER
INSERT ONLY TIME SLOT X
IN OUTGOING SYSTEM TS-X
IN REGISTER FRM_PR22
(2) BOARD LOOPBACK
TRANSMIT FRAMER
ES
ES
SYSTEM
SYSTEM
SYSTEM
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