LXT350 —
T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation
4
Datasheet
4.4
Line Protection....................................................................................................33
4.4.1
Hardware Mode Application...................................................................35
4.4.2
Host Mode Application ...........................................................................36
Test Specifications
..................................................................................................38
Mechanical Specifications
...................................................................................49
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LXT350 Block Diagram .........................................................................................7
LXT350 Pin Assignments......................................................................................8
50% Duty Cycle Coding ......................................................................................15
Serial Port Data Structure ...................................................................................18
TAOS with LLOOP..............................................................................................21
Local Loopback...................................................................................................21
Analog Loopback ................................................................................................22
Remote Loopback...............................................................................................22
Dual Loopback....................................................................................................23
TAOS Data Path .................................................................................................23
QRSS Mode........................................................................................................24
Typical T1/E1 LXT350 Hardware Mode Application ...........................................36
Typical T1/E1 LXT350 Host Mode Application....................................................37
2.048 MHz E1 Pulse (See
Table 26
)...................................................................41
1.544 Mbps T1 Pulse, DSX-1 (See
Table 27
) .....................................................42
Transmit Clock Timing ........................................................................................43
Receive Clock Timing .........................................................................................44
Serial Data Input Timing Diagram.......................................................................45
Serial Data Output Timing Diagram ....................................................................46
Typical T1 Jitter Tolerance at 36 dB ...................................................................46
Typical E1 Jitter Tolerance at 43 dB ...................................................................47
Typical E1 Jitter Attenuation ...............................................................................48
Typical T1 Jitter Attenuation................................................................................48
Plastic Leaded Chip Carrier Package Specifications..........................................49
Plastic Quad Flat Package Specifications...........................................................50