MH89793 Datasheet | Mitel Networks

Features - - - - - - - - plete primary rate 2048kb/s CEPT line driver and receiver Onboard pulse transformers for transmit and receive Meets latest ETSI requirements [ETSI ETS 300 011 (NET 5)] Inductorless clock recovery Loss of signal (LOS) indication Single +5V operation patible with MT9079 Framer Selectable termination impedance ISSUE 1 April 1995 Ordering Information MH89793 28 Pin DIL Package Surface Mount Option is available by adding the suffix “S” 0° C to +70° C Description The Mitel MH89793 is a low cost E1 line driver/receiver with clock extraction requiring no external ponents. The device is suitable for both 120R and 75R applications, by linking external pins. By bining the MH89793 with Mitel’s E1 framer, the MT9079, a cost effective and efficient interface to E1 lines can be built. Applications - - - - Primary rate ISDN network Interface Multiplexer equipment Private Network links Isochronous LANS/WANS TZA1 TZA2 TZA3 TZB1 TZB2 TZC1 TZC2 TZD1 TZD2 Tx A Tx B Line Driver Transmit Isolation Transformer 6d B Pad TLA TLB E2o LOS Clock Recovery Receive Isolation Transformer RLA RLB Rx A Rx B Line Receiver EQUIPMENT SIDE LINE SIDE Figure 1 - Functional Block Diagram 4-229 Preliminary Information RLA RLB TLA TLB TZD2 TZC2 TZA3 TZB1 TZA2 TZB2 TZD1 TZC1 TZA1 NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 TXA TXB NC NC NC VDD E20 RXB RXA VSS LOS NC RZA RZB Figure...