Rainbow Electronics DS2154 - Manual (Page 57)

DS2154
031197 57/69
DS2154 TRANSMIT DATA FLOW Figure 13–11
TSER
TLINK
TS1 TO TS16
AIS
GENERATION
TRANSMIT SIGNALLING
ALL ONES
(TCR1.2)
TPOS,
TNEG
TAF
TNAF
TIMESLOT 0
PASS–THROUGH
(TCR1.6)
Si BIT INSERTION
CONTROL
(TCR1.3)
Sa BIT INSERTION
CONTROL (TCR2.3
THRU TCR2.7)
IDLE CODE/CHANNEL
SIGNALING BIT
CRC4 ENABLE
(CCR.4)
TRANSMIT UNFRAMED
ALL ONES (TCR1.4) OR
AUTO AIS (CCR2.5)
CODE WORD
GENERATION
AIS
GENERATION
0
0
0
0
0
0
1
1
1
1
1
1
1
INSERTION CONTROL
TIDR
TIR FUNCTION SELECT
0 1
RSER
(note 1)
(CCR3.5)
INSERTION CONTROL
VIA TIR1/2/3/4
TCBR1/2/3/4
TCR1.5
CCR3.6
CRC4 MULTIFRAME
ALIGNMENT WORD
GENERATION(CCR1.4)
E–BIT GENERATION
(TCR2.1)
AUTO REMOTE
ALARM GENERATION
(CCR2.4)
0
RECEIVE SIDE
CRC4 ERROR
DETECTOR
0
0
1
1
Sa BIT INSERTION
CONTROL REGISTER
(TSaCR)
1
TSiAF
TSiNAF
TRA
TSa4 to TSa8
KEY
= REGISTER
= DEVICE PIN
= SELECTOR
0
PER–CHANNEL CODE
GENERATION
(TCC1/2/3/4)
&
TDATA TC1 TO TC32
DS0 MONITOR
NOTES:
1. TCLK should be tied to RCLK and TSYNC should be tied to RFSYNC for data to be properly sourced from RSER.
2. Auto Remote Alarm if enabled will only overwrite bit 3 of timeslot 0 in the Non Align Frames if the alarm needs
to be sent.