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參數(shù)資料
型號: W6691CP
廠商: WINBOND ELECTRONICS CORP
元件分類: 通信及網(wǎng)絡
英文描述: ISDN S/T Interface Transceiver
中文描述: SPECIALTY TELECOM CIRCUIT, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 36/106頁
文件大小: 428K
代理商: W6691CP
Preliminary W6691
Publication Release Date: Sep 2001
36 Revision 1.1
7.2.6 Frame Alignment
The following sections describe the behavior of W6691 in respect to the CTS-2 conformance test
procedures for frame alignment. Please refer to ETSI-TM3 Appendix B1 for detailed descriptions.
7.2.6.1 FAinfA_1fr
This test checks if TE does not lose frame alignment on receipt of one bad frame. The pattern for the bad
frame is defined as IX_96 kHz. This pattern consists of alternating pulses at 96 kHz during the whole frame.
Device
Settings
Result
W6691
None
Pass
7.2.6.2 FAinfB_1fr
This test checks if TE does not lose frame alignment on receipt of one IX_I4noflag frame which has no
framing and balancing bit.
Device
Settings
Result
W6691
None
Pass
7.2.6.3 FAinfD_1fr
This test checks if TE does not lose frame alignment on receipt of one IX-I4viol16 frame. The IX_I4viol16
frame remains at binary "1" until the first B2 bit which is bit position 16. The pulse sequences are: Framing bit,
balancing bit, B2 bit, M bit, S bit, balancing bit. The TE should reflect the received F
A
bit (F
A
="1") in the
transmitted frame.
Device
Settings
Result
W6691
None
Pass
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