T1/E1/J1 Single-Chip Transceiver

GENERAL DESCRIPTION The DS2155 is a software-selectable T1, E1, or J1 single-chip transceiver (SCT) for short-haul and long-haul applications. The DS2155 is composed of a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled by an 8-bit parallel por

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美信

T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface

GENERAL DESCRIPTION The DS2156 is a software-selectable T1, E1, or J1 single-chip transceiver (SCT) for short-haul and long-haul applications. The backplane is userconfigurable for a TDM or UTOPIA II bus interface. The DS2156 is composed of a line interface unit (LIU), framer, HDLC controllers, a

文件：1.51533 Mbytes 頁數(shù)：262 Pages

DALLAS

T1/E1/J1 Single-Chip Transceiver

文件：2.00191 Mbytes 頁數(shù)：238 Pages

MAXIM

美信

T1/E1/J1 Single-Chip Transceiver

文件：2.00097 Mbytes 頁數(shù)：238 Pages

DALLAS

T1/E1/J1單芯片收發(fā)器

DS2155可以通過軟件配置為T1、E1或J1工作方式單片收發(fā)器(SCT)，適合短程和長程應(yīng)用。DS2155由線路接口單元(LIU)、成幀器、HDLC控制器以及TDM背板接口組成，并可通過一個(gè)可配置為Intel或Motorola總線模式的8位并行端口進(jìn)行控制。DS2155引腳和軟件均兼容于DS2156。\n LIU由發(fā)送接口、接收接口和抖動抑制器組成。發(fā)送接口根據(jù)所使用的傳輸介質(zhì)類型產(chǎn)生符合規(guī)定的波形，并以適當(dāng)?shù)脑醋杩跪?qū)動網(wǎng)絡(luò)。T1波形發(fā)生電路包括-7.5dB、-15dB和-22.5dB的DSX-1和CSU線路補(bǔ)償。E1波形發(fā)生電路為75Ω同軸線或120Ω雙絞線電纜提供G.703波形成形。接收 \n? 完整的T1/DS1/ISDN-PRI/J1收發(fā)器功能 \n? 完整的E1 (CEPT) PCM-30/ISDN-PRI收發(fā)器功能 \n? 長程和短程線路接口用于時(shí)鐘/數(shù)據(jù)恢復(fù)與波形成形 \n? CMI編碼/解碼用于光I/F \n? 無晶振抖動抑制器 \n? 完全獨(dú)立的發(fā)送與接收功能 \n? 雙HDLC控制器 \n? 可編程BERT發(fā)生器與檢測器 \n? 軟件可選的內(nèi)部接收和發(fā)送端接電阻，適用于75Ω/100Ω/120Ω T1與E1接口 \n? 兩個(gè)雙幀彈性緩存滑動緩沖器，允許連接至速率高達(dá)16.384MHz的異步背板 \n? 由恢復(fù)后的網(wǎng)絡(luò)時(shí)鐘合成的16.384MHz、8.192MHz;

ADI

亞德諾

T1 Single-Chip Transceivers

DESCRIPTION The DS21352/552 T1 single-chip transceiver contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can gene

文件：1.09992 Mbytes 頁數(shù)：137 Pages

MAXIM

美信

T1/E1/J1 Single-Chip Transceiver

GENERAL DESCRIPTION The DS2155 is a software-selectable T1, E1, or J1 single-chip transceiver (SCT) for short-haul and long-haul applications. The DS2155 is composed of a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled by an 8-bit parallel por

文件：1.32396 Mbytes 頁數(shù)：240 Pages

MAXIM

美信

T1 Single-Chip Transceivers

DESCRIPTION The DS21352/552 T1 single-chip transceiver contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can gene

文件：1.09992 Mbytes 頁數(shù)：137 Pages

MAXIM

美信

3.3V DS21352 and 5V DS21552 T1 Single-Chip Transceivers

DESCRIPTION The DS21352/552 T1 single-chip transceiver contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can gene

文件：1.0943 Mbytes 頁數(shù)：137 Pages

DALLAS

3.3V DS21352 and 5V DS21552 T1 Single-Chip Transceivers

DESCRIPTION The DS21352/552 T1 single-chip transceiver contains all of the necessary functions for connection to T1 lines whether they are DS1 long haul or DSX–1 short haul. The clock recovery circuitry automatically adjusts to T1 lines from 0 feet to over 6000 feet in length. The device can gene

文件：1.0943 Mbytes 頁數(shù)：137 Pages

DALLAS