DS3146 Datasheet, PDF (6/89 Pages) Maxim Integrated Products – 6-/8-/12-Channel DS3/E3 Framers

1. BLOCK DIAGRAM
Figure 1-1. Block Diagram
TMEI
TPOSn/TNRZn
TNEGn
TCLKn
DS3146/DS3146/DS31412 6-/8-/12-Channel DS3/E3 Framers
TCSEL TCCLK
B3ZS/
HDB3
ENCODER
DS3/E3
TRANSMIT
FORMATTER
HDLC FEAC BERT
TOHn
TOHENn
TDATn
TICLKn
TDENn/TGCLKn
TSOFn
RPOSn/RNRZn
RNEGn/RLCVn
RCLKn
RECU
POWER
MGMT
B3ZS/
HDB3
DECODER
DS3/E3
RECEIVE
FRAMER
MICROPROCESSOR
INTERFACE
IEEE P1149.1
JTAG TEST
ACCESS PORT
RDATn
ROCLKn
RDENn/RGCLKn
RSOFn
RLOSn
ROOFn
n = FRAMER #
Dallas
Semiconductor
DS3146/DS3148/DS31412
2. APPLICATION EXAMPLE
Figure 2-1. Application Example: 12-Port Unchannelized DS3/E3 Card
DS3154
QUAD
DS3/E3
LIU
DS3154
QUAD
DS3/E3
LIU
DS3154
QUAD
DS3/E3
LIU
DS31412
12-PORT
DS3/E3
FRAMER
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