Rainbow Electronics DS21458 - Manual (Page 214)

DS21455/DS21458 Quad T1/E1/J1 Transceivers
214 of 270
Figure 34-4. E1 Transmit Data Flow (continued)
Per-Channel
Loopback
From Idle
Code Mux
RDATA
From E1_rcv_logic
PCLR1-4
Sa-bit Mux
TNAF
THMS1
THMS2 H1TC.4
H2TC.4
TS0 Mux
TAF/TNAF(non Sa)
Si-bit Mux E1TCR1.4 TSIS
Auto E-
bit Gen
TLINK Mux
TLINK
Auto
RA Gen
TSaCR Mux
Sa4S - Sa8S
E1TCR2.2 AEBE
E1TCR2.5 - E1TCR2.7
E1TCR2.8 ARA
TSiAF
TSiNAF
TRA
TSa4 TSa5
TSa6
TSa7
TSa8
TSaCR
Software Sig
TSA1 E1TCR1.3
TS1-16
SSIE1-4
E1TCR1.0 T16S
Si/CRC4 Mux E1TCR1.0 TCRC4
Si = CRC4 MF Align Word
(Does not overwrite E-bits)
CRC
Calculate
CRC Re-
calculate
E1TCR1.0 TCRC4
CCR1.6 CRC4R
DS0
Monitor
TCM0-TCM4
TDSOM
Auto
AIS
Gen
UA1
Gen
E1TCR2.1 AAIS
E1TCR1.5 TUA1
HDB3
Encoding E1TCR1.2 THDB3
To Bipolar/NRZ
coding Mux
E1 TRANSMIT
FLOW
DIAGRAM
TFPT E1TCR1.7
TDS0SEL.0 - TDS0SEL.4