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2848: 3.3V、E1/T1/J1线路接口 Data Sheet (Rev. 4)1/1/1900PDF787K
概览
优势和特点
- Complete E1, T1, or J1 line interface unit (LIU)
- Supports both long-haul and short-haul trunks
- Internal software-selectable receive-side termination for 75Ω/100Ω/120Ω
- 3.3V power supply
- 32-bit or 128-bit crystal-less jitter attenuator requires only a 2.048MHz master clock for both E1 and T1 with option to use 1.544MHz for T1
- Generates the appropriate line build-outs, with and without return loss, for E1 and DSX-1 and CSU line build-outs for T1
- AMI, HDB3, and B8ZS, encoding/decoding
- 16.384MHz, 8.192MHz, 4.096MHz, or 2.048MHz clock output synthesized to recovered clock
- Programmable monitor mode for receiver
- Loopbacks and PRBS pattern generation/detection with output for received errors
- Generates/detects in-band loop codes, 1 to 16 bits including CSU loop codes
- 8-bit parallel or serial interface with optional hardware mode
- Muxed and nonmuxed parallel bus supports Intel or Motorola
- Detects/generates blue (AIS) alarms
- NRZ/bipolar interface for TX/RX data I/O
- Transmit open-circuit detection
- Receive carrier loss (RCL) indication (G.775)
- High-Z state for TTIP and TRING
- 50mA (rms) current limiter
产品详情
产品分类
产品生命周期
新设计不推荐使用本产品
表示相关产品已过时，ADI公司不再推荐新设计使用。
参考资料
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DS21348 Reliability Data1/12/2023PDF17K
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Using RCLK in a BITS/SSU Application2/4/2002
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T1/E1 Network Interface Design11/27/2001
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可不使用微控制器配置Maxim的LIU11/21/2005
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Power-Fault Protection Layout6/6/2003
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DS2148/DS21348 Hardware Mode6/6/2003
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Additional Pulse Amplitude Settings for DS2148, DS21348, DS21Q48, DS21Q348 and DS214483/21/2003
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Using DS2148/DS21348 as Repeater5/29/2002
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Telecom Application Notes Index8/10/2001
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T1/E1/J1 Dual Connector Interface8/13/2002
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Hitless Protection Switching with 1+1 Redundancy6/7/2002
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T1/E1 and T3/E3 Transformer Selection Guide10/15/2001
设计资源
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订购常见问题解答
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立即购买报价
(**)显示的立即购买报价和报价范围基于少量订单。
报价单
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采样
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