The CPC5604 is a single package optical Data Access Arrangement (DAA) device in a low profile surface mount PCMCIA compatible package. With a few external components, the CPC5604 provides a full featured International 56K capable solution. This device is well suited for all 56K modems, voice mail systems, fax machines, computer telephony applications, remote data access, medical, and security systems. For International compliance, external passive component values can be changed or, the CPC5604 can be used in conjunction with the CPC5601 Programmable Driver for a host programmable International DAA.