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Part Number
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DS21448 |
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Manufacturer
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Dallas Semiconducotr |
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Description
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3.3V E1/T1/J1 Quad Line Interface |
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Published
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Mar 30, 2005 |
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Detailed Description
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DS21448 3.3V E1/T1/J1 Quad Line Interface
www.maxim-ic.com
GENERAL DESCRIPTION
The DS21448 is a quad-port E1 or T1 line...
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Datasheet
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DS21448
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Overview
DS21448 3.
3V E1/T1/J1 Quad Line Interface
www.
maxim-ic.
com
GENERAL DESCRIPTION
The DS21448 is a quad-port E1 or T1 line interface unit (LIU) for short-haul and long-haul applications.
It incorporates four independent transmitters and four independent receivers in a single 144-pin PBGA or 128-pin LQFP package.
The transmit drivers generate the necessary G.
703 E1 waveshapes in 75W or 120W applications and the DSX-1 or CSU line build-outs of 0dB, -7.
5dB, -15dB, and -22.
5dB for T1 applications.
The DS21448 has a usable receiver sensitivity of 0 to -43dB for E1 applications and 0 to -36dB for T1 that allows it to operate on 0.
63mm (22AWG) cables up to 2.
5km (E1) and 6000ft (T1) in length.
The us...
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