PM4314-RI
QUAD T1/E1 LINE INTERFACE DEVICE
FEATURES
• Monolithic single-chip device that
integrates four full-featured T1/E1
duplex DSX-1 compatible line interface
circuits in a single device.
• Supports B8ZS, HDB3, and AMI line
codes.
• Provides receive clock recovery and
line performance monitoring.
• Provides transmit jitter attenuation with
programmable line build-out.
• Directly interfaces to the
PM4344 TQUAD Quad T1 Framer,
PM6344 EQUAD Quad E1 Framer,
PM4388 TOCTL Octal T1 Framer,
PM6388 EOCTL Octal E1 Framer,
PM8313 D3MX M13 Multiplexer, and
PM7344 S/UNI-MPH? Quad T1/E1
Multi-PHY SATURN? ATM User
Network Interface.
• Software-compatible with the
PM4341A T1XC Single T1
Transceiver, PM6341 E1XC Single E1
Transceiver, and PM4351 COMET
Single T1/E1 Transceiver.
• Provides an 8-bit microprocessor bus
interface for configuration, control, and
status monitoring.
• Low power 5 V CMOS technology.
• Available in a rectangular 128-pin
14 by 20 mm Plastic Quad Flat Pack
(PQFP) package.
• -40 to +85° industrial temperature
operation.
and accumulates up to 8191 LCVs for
performance monitoring purposes.
• Detects both programmable in-band
loopback activate and deactivate code
sequences received in the DS1/E1
data stream.
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