PM4541 Datasheet, PDF (25/46 Pages) PMC-Sierra, Inc – T1XC EVALUATION DAUGHTER BOARD

TELECOM STANDARD PRODUCT
PMC-920314
ISSUE 2
DSX-1
Transmit _TAP
Interface
"N
E
TAN
T
W
O
R
RAS
K"
DSX-1
Receive ^REF
Interface
BEXTCLK
C2M
C1M5
BEXTFP
GFP
BTPCM
BTSIG
BTFP
BTCLK
BRFPI
BRCLK
BRPCM
BRSIG
BRFPO
RCLKO
RFP
RFP
J30
PMC-Sierra, Inc.
PM4541 T1XC-EVBD
T1XC EVALUATION DAUGHTERBOARD
J21
J24
J20
J19
J22
J23
BTPCM
BTSIG
BTFP
BTCLK
BRFPI
BRCLK
BRPCM
BRSIG
BRFPO
RCLKO
RFP
DSX-1
TAP
Transmit
Interface
C
U
TAN
S
T
O
RAS
M
E
R
DSX-1
REF _Receive
Interface
GFP
BEXTFP
C1M5
C2M
BEXTCLK
Figure 5: "CSU" Circuit Overview
6.6 Transmit/Receive Interfaces
Three different transmit and receive interfaces are provided on the daughterboard.
The digital interface can be used by connecting to the two header blocks
immediately adjacent to each T1XC. Header blocks J13 and J15 provide the digital
interface for the east T1XC while headers J14 and J16 provide the interface for the
west T1XC. Before making use of these pins, the analog receiver of each T1XC
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