1 www.clare.com cpc2400e ds-cpc2400-r2 the cpc2400e is a 2400 baud embedded modem mod- ule intended for applications that require a data commu- nications link to the public switched telephone network (pstn). the cpc2400e is a complete module on a small 1.0?x 2.5?printed circuit board that can be socketed or soldered into the host system mother board. the module is fcc part 68 approved and includes a user trans- ferrable registration number. it also is a ul recognized component. the cpc2400e can be used in a variety of applications including set top box back channel commu- nications, vending machines, remote utility metering, remote data acquisition, plus a host of other applications. the cpc2400e supports a standard serial v.24 ttl interface to the dte equipment. vending/gaming machines set top box back channel direct broadcast satellite utility meters point of sale terminals remote diagnostics remote telemetry remote monitoring embedded applications ul/c-ul: 174201 fcc reg. # lvrphl-25931-md-e easy integration small footprint 1.00?x 2.50 full duplex 2400bps low power consumption v.24 dte interface single +5v supply operation supported protocols: v.22bis, v.23, v.22 ul recognized component fcc part 15b compliant fcc part 68 approved (user transferrable) applications features description approvals embedded modem module ordering information part # description cpc2400e 2400 baud embedded modem module pin configuration j1 v cc gnd -dtr -dcd -mute a1 n/c rxd txd j2 n/c tip n/c ring n/c block diagram v.22bis data pump controller daa parallel v.24 serial line interface dte tip ring audio out +5v gnd
www.clare.com cpc2400e rev. 2 electrical characteristics absolute maximum ratings are stress ratings. stresses in excess of these ratings can cause permanent damage to the device. functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this data sheet is not implied. exposure of the device to the absolute maximum ratings for an extended period may degrade the device and effect its reliability. absolute maximum ratings (@ 25? c) 2 parameter conditions min typ max units dc electrical characteristics @ 25?c vcc supply voltage - 4.75 5.0 5.25 v vcc supply current - idle (sleep mode) vcc=5v - 5 10 ma vcc supply current - active vcc=5v - 70 100 ma line matching impedance vcc=5v - 600 - ? ringing voltage vcc=5v, f=20hz - 22 30 v rms ringer equivalence number (ren) vcc=5v - 0.6b - - telephone line loop current vcc=5v 20 - 120 ma dte dc characteristics @ 25?c input high voltage vih 2 - vcc+0.3 v input low voltage vil - 0 - 0.8 v input leakage current il gnd |