DB9 RS232 TO RJ9 RJ10 RJ11 4P4C EQUATORIAL MOUNT UPGRADE CONTROL CABLE FOR IOPTRON TELESCOPE CONSOLE KABLE IEQ30 PRO IEQ45 PRO ZEQ25 The iEQ45-Pro equatorial mount has a serial communication interface RS232 port, located above the right ascension mount. This port is an RJ11-4P4C socket, which is connected to the 4P4C plug at one end of the serial communication cable, and the other end of the cable is a standard DB9 plug, which is connected to the computer serial port (Or connect to the computer USB port through the serial port to the USB port), the computer can directly control the iEQ45-Pro equatorial mount.

For the USB to RJ9 4P4C cable, pls
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https: //www. aliexpress. com/item/1005003455334929. html? spm=5261. ProductManageOnline. 0.0. 5cbe4edfm84MRK Compatibla for IOPTRON IEQ30 PRO IEQ45 PRO ZEQ25 AND SMARTEQ PRO CEM60 CEM25P CME120-EC, etc
Package Contents: 1 X DB9 to RJ9
Cable Length: 1.8M /6FT, 3.0M /10FT(Approx. )
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. If you have special requirements, such as cable length, wire gauges and pinouts, please consult to me online or leave me a message. If you receive the goods, and have any dissatisfaction or need assistance, please feel free to contact me or leave me a message. db9 to rj11 rj12 cable, IOPTRON EQUATORIAL HC UPGRADE CONTROL KABLE, IOPTRON mount PC control CABLE