STANDARD PRODUCT
PM4351 COMET
DATA SHEET
PMC-1970624
ISSUE 10
COMBINED E1/T1 TRANSCEIVER
LIST OF FIGURES
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
- Wireless Base Station Application ................................................11
- V5.1 Interface Application............................................................ 12
PM4351-RI COMET Pin Diagram .................................................. 17
PM4351-NI COMET Pin Diagram .................................................. 18
- External Analog Interface Circuits................................................ 33
- T1 Jitter Tolerance ....................................................................... 37
- Compliance with ITU-T Specification G.823 for E1 Input Jitter .... 38
- CRC Multiframe Alignment Algorithm........................................... 43
- TJAT Jitter Tolerance ................................................................... 59
Figure 10 - TJAT Minimum Jitter Tolerance vs. XCLK Accuracy .................... 60
Figure 11 - TJAT Jitter Transfer...................................................................... 61
Figure 12 - Transmit Timing Options.............................................................. 94
Figure 13 - Transmit Backplane: CMS=0, FE=1, DE=1, BTFP is Input........... 356
Figure 14 - Transmit Backplane: CMS=0, FE=1, DE=0, BTFP is Input........... 356
Figure 15 - Transmit Backplane: CMS=1, FE=1, DE=1, BTFP is Input........... 356
Figure 16 - Transmit Backplane: CMS=1, FE=0, DE=1, BTFP is Input.......... 356
Figure 17 - Transmit Backplane: CMS=0, FE=1, DE=1, BTFP is Output........ 357
Figure 18 - Transmit Backplane: CMS=0, FE=1, DE=0, BTFP is Output........ 357
Figure 19 - Transmit Backplane at 1.544 Mbit/s (T1 mode) ......................... 357
Figure 20 - Transmit Backplane at 2.048 Mbit/s (T1 mode) ......................... 358
Figure 21 - Transmit Backplane at 2.048 Mbit/s (E1 mode)......................... 359
Figure 22 - Transmit Backplane at 4.096 Mbit/s (T1 mode) ......................... 359
PROPRIETARY AND CONFIDENTIAL
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PMC [ PMC-SIERRA, INC ]
