ANTILLAS I

ANTILLAS I is a fiber optic submarine communications cable that extends between the Dominican Republic and Puerto Rico. It has been in service since June 1997 and is operated on a common carrier basis.

ANTILLAS I uses digital channels operating at 64 kilobits per second (kbit/s) that allow over 15,000 simultaneous calls without multiplexing. It consists of six working optical fiber pairs with each fiber pair carrying four 155 Mbit/s Basic System Modules (BSMs), with each BSM containing sixty-three Minimum Investment Units (MIUs), for a total capacity, on each fiber pair, of 252 MIUs.

Carriers

 * AT&T Corporation (AT&T)
 * GTE Hawaiian Telephone Company Incorporated (HTC)
 * IDB WorldCom Services (WorldCom)
 * International Telecommunications Corporation (ITC)
 * MCI International
 * Pacific Gateway Exchange (PGE)
 * Sprint Nextel Corporation (Sprint)
 * Telecomunicaciones Ultramarinas de Puerto Rico (TUPR or ULTRACOM)
 * Telefónica International Wholesale Services (TIWS)
 * The St. Thomas and San Juan Telephone Company (STSJ)

Landing points

 * Cacique, Dominican Republic
 * Isla Verde, Carolina, Puerto Rico
 * Miramar, San Juan, Puerto Rico
 * Punta Cana, Dominican Republic