Quad T1/E1/J1 Transceivers

GENERAL DESCRIPTION The DS21455 and DS21458 are quad monolithic devices featuring independent transceivers that can be software configured for T1, E1, or J1 operation. Each is composed of a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled via a

文件：1.65296 Mbytes 页数：270 Pages

Dallas

Quad T1/E1/J1 Transceivers

GENERAL DESCRIPTION The DS21455 and DS21458 are quad monolithic devices featuring independent transceivers that can be software configured for T1, E1, or J1 operation. Each is composed of a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled via a

文件：1.65296 Mbytes 页数：270 Pages

Dallas

Quad T1/E1/J1 Transceivers

GENERAL DESCRIPTION The DS21455 and DS21458 are quad monolithic devices featuring independent transceivers that can be software configured for T1, E1, or J1 operation. Each is composed of a line interface unit (LIU), framer, HDLC controllers, and a TDM backplane interface, and is controlled via a

文件：1.65296 Mbytes 页数：270 Pages

Dallas

5V E1/T1/J1 Line Interface

DESCRIPTION The DS2148 is a complete selectable E1 or T1 Line Interface Unit (LIU) for short- and long-haul applications. Throughout the data sheet, J1 is represented wherever T1 exists. Receive sensitivity adjusts automatically to the incoming signal and can be programmed for 0dB to 12dB or 0dB

文件：544.74 Kbytes 页数：75 Pages

Dallas

5V E1/T1/J1 Line Interface

DESCRIPTION The DS2148 is a complete selectable E1 or T1 Line Interface Unit (LIU) for short- and long-haul applications. Throughout the data sheet, J1 is represented wherever T1 exists. Receive sensitivity adjusts automatically to the incoming signal and can be programmed for 0dB to 12dB or 0dB

文件：544.74 Kbytes 页数：75 Pages

Dallas

5V E1/T1/J1 Line Interface

DESCRIPTION The DS2148 is a complete selectable E1 or T1 Line Interface Unit (LIU) for short- and long-haul applications. Throughout the data sheet, J1 is represented wherever T1 exists. Receive sensitivity adjusts automatically to the incoming signal and can be programmed for 0dB to 12dB or 0dB

文件：544.74 Kbytes 页数：75 Pages

Dallas

5V E1/T1/J1 Line Interface

DESCRIPTION The DS2148 is a complete selectable E1 or T1 Line Interface Unit (LIU) for short- and long-haul applications. Throughout the data sheet, J1 is represented wherever T1 exists. Receive sensitivity adjusts automatically to the incoming signal and can be programmed for 0dB to 12dB or 0dB

文件：544.74 Kbytes 页数：75 Pages

Dallas

5V E1/T1/J1 Line Interface

DESCRIPTION The DS2148 is a complete selectable E1 or T1 Line Interface Unit (LIU) for short- and long-haul applications. Throughout the data sheet, J1 is represented wherever T1 exists. Receive sensitivity adjusts automatically to the incoming signal and can be programmed for 0dB to 12dB or 0dB

文件：544.74 Kbytes 页数：75 Pages

Dallas

5V T1/J1 Line Interface Unit

GENERAL DESCRIPTION The DS2149 is a fully integrated LIU for long haul or short-haul T1 applications over twisted pair installations. It interfaces to two twisted-pair linesóone pair for transmit and one pair for receive through an appropriate network interface. The device can be configur

文件：578.87 Kbytes 页数：32 Pages

Maxim

美信

5V T1/J1 Line Interface Unit

GENERAL DESCRIPTION The DS2149 is a fully integrated LIU for long haul or short-haul T1 applications over twisted pair installations. It interfaces to two twisted-pair linesóone pair for transmit and one pair for receive through an appropriate network interface. The device can be configur

文件：578.87 Kbytes 页数：32 Pages

Maxim

美信