sgi/checadorSistema/include/bd_pdo.php

<?php
$db_name = 'sgi';
try {
    //$pdo = new PDO("pgsql:host=127.0.0.1;port=5432;dbname=".$db_name, "apsa_usr", 'Apsa&bd.##');
    $pdo = new PDO("pgsql:host=200.13.89.8;port=5432;dbname=".$db_name, "apsa_usr", 'Apsa&bd.##');
} catch (PDOException $e) {
    echo "Error de conexión! ";
    print_r($e->getMessage());
    exit();
}
unset($db_name);
?>