CX28331/CX28332/CX28333
3.0 Applications
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
3.1 PCB Design Considerations for CX2833i
Figure 3-1.
CX28333
Type 728, 734, 735
75
TMONP
TLINEP
31.6
1:1
TPOS
TNEG
TCLK
TX
TLINEN
TMONM
31.6
37.4
Type 728, 734, 735
Framer
Channel 1
75
1:1
RLINEP
RLINEN
RPOS
0.01µF
RNEG
RCLK
RX
37.4
31.6
MODE
BIAS RESET
Type 728, 734, 735
75
TMONP
TLINEP
1:1
TPOS
TNEG
TCLK
TX
TLINEN
TMONM
31.6
37.4
Type 728, 734, 735
75
Framer
Channel 2
1:1
RLINEP
RLINEN
RPOS
RNEG
RCLK
0.01µF
RX
37.4
MODE
BIAS RESET
Type 728, 734, 735
75
TMONP
TLINEP
31.6
1:1
TPOS
TNEG
TCLK
TX
TLINEN
TMONM
31.6
37.4
Type 728, 734, 735
75
Framer
Channel 2
1:1
RLINEP
RLINEN
RPOS
RNEG
RCLK
0.01µF
RX
37.4
MODE
MODE
BIAS RESET
BIAS
RESET
RBIAS
12.1K
Mode/Status Pins
100985_009
NOTE(S):
1. All transformers are part number T3001 from Pulse Technology. See Recommended Vendors, Section 3.1.5.
2. TMONP and TMONM are only available on the CX2833i-3x device and are denoted by dotted lines.
100985A
Conexant
3-3
CONEXANT [ CONEXANT SYSTEMS, INC ]
