DatasheetsPDF.com

MH89770

Mitel Networks
Part Number MH89770
Manufacturer Mitel Networks
Description T1/ESF Framer & Interface Preliminary Information
Published Apr 27, 2005
Detailed Description ® MH89770 T1/ESF Framer & Interface Preliminary Information Features • • • • • • • • • • • • • • • • Complete interfac...
Datasheet PDF File MH89770 PDF File

MH89770
MH89770

Overview
® MH89770 T1/ESF Framer & Interface Preliminary Information Features • • • • • • • • • • • • • • • • Complete interface to a bidirectional T1 link D3/D4 or ESF framing and SLC-96 compatible Two frame elastic buffer with jitter tolerance improved to 156UI Insertion and detection of A, B, C, D bits Signalling freeze, optional debounce Selectable B8ZS, jammed bit (ZCS) or no zero code suppression Yellow and blue alarm signal capabilities Bipolar violation count, FT error count, CRC error count Frame and superframe sync.
signals, Tx and Rx Per channel, overall, and remote loop around 8 kHz synchronization output Digital phase detector between T1 line and ST-BUS ST-BUS compatible Pin compatible with the MH89760BN/BS Inductorless clock recovery Loss of Signal (LOS) indication Available in standard, narrow and surface mount formats MH89770N MH89770S ISSUE 2 March 1995 Ordering Information 40 Pin DIL Hybrid 0.
8" row pitch 40 Pin Surface Mount Hybrid 0° C to 70° C Applications • • • DS1/ESF digital trunk interfaces Computer to PBX interfaces (DMI and CPI) High speed computer to computer data links Description The MH89770 is a complete T1 interface solution, meeting the Extended Super Frame (ESF), D3/D4 and SLC-96 formats.
The MH89770 interfaces to the DS1 1.
544 Mbit/sec digital trunk and has the capability of meeting ACCUNET®1 T1.
5 wander tolerance (138 UI).
The MH89770 is a pin-compatible enhancement of the MH89760B.
1.
ACCUNET ® T1.
5 is a registered trademark of AT & T.
TxSF C2i F0i RxSF DSTo DSTi CSTi0 CSTi1 CSTo C1.
5i ST-BUS Timing Circuitry Two Frame Elastic Buffer with Slip Control DS1 LINK INTERFACE 2048 - 1544 Converter Serial Control Interface Transmitter RxFDLClk RxFDL TxFDLClk TxFDL OUTA OUTB RxA RxT LOS RxR RxB Data Interface Receiver ABCD Signalling RAM VDD XCtl XSt Control Logic Phase Detector Clock Extractor DS1 Counter E1.
5o E8Ko VSS Figure 1 - Functional Block Diagram 4-125 MH89770 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)