I had the same issues as Tim, trying to connect my CGEM-II via the NexStar hand controller/USB. StellarMate OS 1.7.5
[2023-03-29T18:26:39.926 PDT DEBG ][ org.kde.kstars.ekos] - Connecting "CGEM II Wired" [2023-03-29T18:26:39.927 PDT INFO ][ org.kde.kstars.ekos] - "Connecting INDI devices..." [2023-03-29T18:26:39.943 PDT DEBG ][ org.kde.kstars.indi] - CGEM II Wired : "[DEBUG] Communicating with mount motor controllers... " [2023-03-29T18:26:39.943 PDT DEBG ][ org.kde.kstars.indi] - CGEM II Wired : "[CAUX] CMD < GET_VER> APP -> AZM " [2023-03-29T18:26:39.949 PDT DEBG ][ org.kde.kstars.indi] - CGEM II Wired : "[CSER] CMD <3B 03 20 10 FE CF> " [2023-03-29T18:26:39.949 PDT DEBG ][ org.kde.kstars.indi] - CGEM II Wired : "[CSER] aux_tty_read: 3 " [2023-03-29T18:26:40.932 PDT INFO ][ org.kde.kstars.indi] - CGEM II Wired : "[ERROR] Timeout error " [2023-03-29T18:26:40.933 PDT INFO ][ org.kde.kstars.indi] - CGEM II Wired : "[ERROR] Got no response from target ALT or AZM. " [2023-03-29T18:26:40.935 PDT INFO ][ org.kde.kstars.indi] - CGEM II Wired : "[ERROR] Cannot continue without connection to motor controllers. " [2023-03-29T18:26:40.935 PDT DEBG ][ org.kde.kstars.indi] - CGEM II Wired : "[DEBUG] Handshake failed. "
[2023-03-29T18:19:48.201 PDT DEBG ][ org.kde.kstars.indi] - < CGEM II WiFi >: < Firmware Info > [2023-03-29T18:19:48.216 PDT INFO ][ org.kde.kstars.indi] - CGEM II WiFi : "[INFO] Mount is parked. " [2023-03-29T18:19:48.217 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[DEBUG] InitPark Axis1 0.00 Axis2 0.00 " [2023-03-29T18:19:48.217 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[DEBUG] Setting Default Park Axis1 to 4194304.00 " [2023-03-29T18:19:48.217 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[DEBUG] Setting Default Park Axis2 to 4194304.00 " [2023-03-29T18:19:48.257 PDT INFO ][ org.kde.kstars.indi] - CGEM II WiFi : "[INFO] Loading device configuration... " [2023-03-29T18:19:48.259 PDT INFO ][ org.kde.kstars.indi] - CGEM II WiFi : "[INFO] Debug is disabled. " [2023-03-29T18:19:48.260 PDT INFO ][ org.kde.kstars.ekos] - "Re-enabling debug logging for CGEM II WiFi..." <<skipping location-specific information>> [2023-03-29T18:19:48.719 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[CAUX] CMD <MC_GET_POSITION> APP -> AZM " [2023-03-29T18:19:48.719 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[CSER] CMD <3B 03 20 10 01 CC> " [2023-03-29T18:19:48.719 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[CSER] RES <3B 06 10 20 01 00 00 05 C4> " [2023-03-29T18:19:48.719 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[CAUX] RES <MC_GET_POSITION> AZM -> APP [00 00 05] " [2023-03-29T18:19:48.719 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[CAUX] CMD <MC_GET_POSITION> APP -> ALT " [2023-03-29T18:19:48.719 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[CSER] CMD <3B 03 20 11 01 CB> " [2023-03-29T18:19:48.719 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[CSER] RES <3B 06 11 20 01 FF FF FB CF> " [2023-03-29T18:19:48.720 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[CAUX] RES <MC_GET_POSITION> ALT -> APP [FF FF FB] " [2023-03-29T18:19:48.720 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[DEBUG] Encoder [Axis1: 5 --> LST: 5:49:34 HA: -12:00:00 RA: 17:49:34] [Axis2: 16777211 --> DE: -0:00:00] " [2023-03-29T18:19:48.721 PDT DEBG ][ org.kde.kstars.indi] - CGEM II WiFi : "[ALIGNMENT] Mount -> Sky RA: 17:49:34 DE: -0:00:00 AZ: 0:00:16 AL: -50:34:04 HA: -8:16:14 Pier: PIER_EAST "