The DS2152 is a second-generation line interface unit for T1 lines. It is pin- and software-compatible with the first-generation DS2151Q and function- and pin-compatible with the DS2154, its E1 counterpart. The DS2152 retains all features of the DS2151Q, adding crystalless jitter attenuation, additional hardware signaling, a full HDLC controller for the FDL layer with 16-byte buffers, and the option for nonmultiplexed bus operation.
The DS2152 meets T1 specifications, including ANSI T1 403-1995, ANSI T1.231-1993, AT&T TR 6241 (12-90), AT&T TR54016, and ITU G.703, G.704 G.706, G.823, and 1.431, that network to central office interfaces. Via the parallel port, the user can quickly access the internal 8-bit internal registers to configure the DS2152 to the application under processor control.
주요기능
Complete DS1/ISDN-PR1 transceiver
Short- and long-haul trunk capability
Independent send and receive functions
32-bit or 128-bit jitter attenuator
DSX-1 and CXU line build-outs
D4, ESF, and SLC-96R framing
Integrated HDLC controller with 16-byte buffers for the FDL
Dual onboard elastic buffers connect to backplanes up to 8.192MHz
Programmable output clocks for Fractional T1
8-bit parallel control port can be muxed or nonmuxed
Extracts/inserts robbed-bit signals
Detects/generates yellow and blue alarms
Onboard FDL support circuitry
Generates/detects in-band loop codes
Generates/detects CSU loop codes
ANSI one's density monitor/enforcer
Path and line error counters, including BPV, CV, CRC6 and framing bit errors
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부품번호 suffix: T 또는 T&R = 테잎 앤 릴,
+ = RoHS/lead-free,
# = RoHS/lead 예외.추가 정보: 전체 데이터 시트 또는 부품번호 규칙
*일부 패키지는 크기 편차(variation)를 가지며 이 값은 도면 상에 제시되어 있습니다. “패키지 코드/편차”는 해당 제품이 사용하고 있는 편차를 보여줍니다. 부품번호 suffix에 "+", "#", "-"는 RoHS 준수 상태를 나타냅니다. 패키지 도면에 suffix 문자는 다를 수 있습니다.
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