Rainbow Electronics DS21458 - Manual (Page 213)

DS21455/DS21458 Quad T1/E1/J1 Transceivers
213 of 270
Figure 34-3. E1 Transmit Data Flow
TSER TSIG
HSIE1-4
through
PCPR
tx_hsig_buf
TX
ESTORE
ESCR.4 TESE
RDATA
From
E1_rcv_logic
LBCR1.1 PLB
HDLC
Engine
#1
THMS1 H1TC.4
H1TCS1-4
H1TTSBS
T1SaBE4-
T1SaBE8
THMS1 H1TC.4
H1TTSBS.4 - H1TTSBS.0
HDLC
Engine #2
THMS2 H2TC.4
H2TCS1-4
H2TTSBS
T2SaBE4-T2SaBE8
THMS2 H2TC.4
H2TTSBS.4 -
H2TTSBS.0
BTCS1-4
BERTEN (BIC.0)
from PCPR
BERT
Engine
To Per-Channel Mux
E1 TRANSMIT
FLOW
DIAGRAM
KEY
- PIN
- SELECTOR
- REGISTER
Hardware
Signaling
Estore Mux
Payload
Loopback Mux
HDLC DS0
Mux #1
HDLC Sa-bit
Mux #1
HDLC DS0
Mux #2
BERT Mux
HDLC Sa-bit
Mux #2
Idle Code MUX
Idle Code
Array
TCICE1-4