DS2290

www.DataSheet4U.com DS2290 DS2290 T1 Isolation Stik FEATURES PIN ASSIGNMENT Protected interface for connecting equipment to T1 lines Provides 800 volts of surge protection and 1500 volts of isolation Meets TR 62411 and T1.403–1989 for transmit pulse characteristics Line build outs of 0, –7.5, and –15 dB Companion to the DS2291 T1 Long Loop Stik Connects to a standard 30–pin single in–line connector Compatible Tranceivers with the DS2180A and DS2141A T1 (ACTUAL SIZE) DESCRIPTION The DS2290 T1 Isolation Stik provides all the surge and isolation protection that is necessary to connect a piece of equipment to a T1 line. It offers a function similar to that provided by a Data Access Arrangement (DAA) when a modem is connected to a phone line. The DS2290 is FCC Part 68 pre–registered so the user can connect equipment to T1 lines without any further testing or qualification. It contains onboard waveshaping circuitry that creates transmit pulses meeting the latest T1 specifications including TR 62411 (Accunet* T1.5 Service Description and Interface Specifications, – December 1990) and T1.403–1989 (Carrier to Carrier Installation – DS1 Metallic Interface). Applications include Channel Service Units and similar equipment that requires a fully protected interface. * Service mark of AT&T Communications ISOLTATION/ SURGE PROTECTION Single +5V supply TRANSMIT WAVE– SHAPING FCC Part 68 registered VDD VDD LCLK LPOS LNEG TCLK TPOS TNEG LB NC LB2 LB1 LB0 TAI...