iOptron RS232 to RJ9 serial cable is used for firmware upgrade (hand controller and/or control boards), mount computer control, or Wi-Fi adapter connection for some mounts. This cable may be needed for the following iOptron mounts:

CEM60/CEM60EC

AZ Mount Pro

iEQ45 Pro and iEQ30 Pro

CEM25/CEM25EC

ZEQ25

SmartEQ/SmartEQ Pro/SmartEQ Pro+

CubePro with 8408 HC

Cube-II

SkyGuider Pro (hand controller firmware upgrade only)

The cable may not be compatible for other brand mounts.