+/* Corega CG-USBRS232R Serial Adapter */
+#define COREGA_VENDOR_ID 0x07aa
+#define COREGA_PRODUCT_ID 0x002a
+
+/* HL HL-340 (ID: 4348:5523) */
+#define HL340_VENDOR_ID 0x4348
+#define HL340_PRODUCT_ID 0x5523
+
+/* Y.C. Cable U.S.A., Inc - USB to RS-232 */
+#define YCCABLE_VENDOR_ID 0x05ad
+#define YCCABLE_PRODUCT_ID 0x0fba