Compatible with 497/497EP Autostar Audiostar Hand Control/Handset/HC for Meade LX200 LX90 LX850 LX600 LX80 ETX125 ETX90 ETX80 LX65 ETX105 LXD75. Replaced the old DB9 Cable, RJ10 Pinout is TXD RXD GND. Durable molded cable on both ends. Tested to perform as the original Meade part #505 cable.