DS2196 Dallas Semiconducotr, DS2196 Datasheet - Page 87

• Manufacturer Part Number: DS2196
• Description: T1 Dual Framer LIU
• Manufacturer: Dallas Semiconducotr

Framed /
Unframed
Select
(BIC.6)
Use
RCHBLK
Select
(BIC.5)
Framer
A/B
Select
(BIC.4)
Figure 15-1: BERT Mux Diagram
Note 1: Always includes a clock pulse for the F-bit position
Note 2: F-bit clock is blocked in the framed mode
bert_mux
RECEIVE
SIDE
Framer A
Framer A/B Select mux
Framer B
normal
transmit
data
enable
(CCR4A.5)
Transmit Formatter A
BERT
Formatter A/B Select mux
normal
transmit
data
Formatter
enable
(CCR4B.5)
Formatter / FLB B Select Mux
Transmit Formatter B
A
TRANSMIT SIDE
Formatter
87 of 157
B
tpos/tnrz
tclk
tneg/
tfsync
Transmit
Load
Signal
Generation
CCR1B.2 /
CCR1B.3
BERT
mode
AIS
with
Sync
AIS
w/o
Sync
thru
mode
tpos/tnrz
FLB B Mux
tneg/
tfsync
Frame Sync
Align Toggle
(BIC.3)
FLB B
BERT Select
(decoded from
CCR1B.2 & CCR1B.3)
Framed /
Unframed
Select
(BIC.2)
Use
TCHBLK
Select
(BIC.1)
Formatter
A/B
Select
(BIC.0)
tclk