UNI-T UT61E Log with RS232C Cable

sigrok-cli --driver=uni-t-ut61e-ser:conn=/dev/ttyUSB1 --scan  -l 5
sr: libsigrok loglevel set to 5.
sr: Sanity-checking all drivers.
sr: Sanity-checking all input modules.
sr: Sanity-checking all output modules.
srd: libsigrokdecode loglevel set to 5.
sr: hwdriver: Initializing driver 'uni-t-ut61e-ser'.
sr: serial-dmm: Selected 'uni-t-ut61e-ser' subdriver.
sr: serial: Opening serial port '/dev/ttyUSB1' (flags 5).
sr: serial: Opened serial port '/dev/ttyUSB1' (fd 11).
sr: serial: Parsing parameters from "19200/7o1/rts=0/dtr=1".
sr: serial: Setting serial parameters on port /dev/ttyUSB1 (fd 11).
sr: serial: Configuring output baudrate to 19200 (14).
sr: serial: Configuring input baudrate to 19200 (14).
sr: serial: Configuring 7 data bits.
sr: serial: Configuring 1 stop bits.
sr: serial: Configuring no flow control.
sr: serial: Configuring odd parity.
sr: serial: Setting RTS low.
sr: serial: Setting DTR high.
sr: serial-dmm: Probing serial port /dev/ttyUSB1.
sr: serial: Flushing serial port /dev/ttyUSB1 (fd 11).
sr: serial: Detecting packets on FD 11 (timeout = 1000ms, baudrate = 19200).
sr: es51922: Invalid function byte: 0xb3.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0xb0.
sr: es51922: Both AC and DC flags detected in packet.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0xb0.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0xb0.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0x0d.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0x8a.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0xb6.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0xb5.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0x38.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0xb0.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: es51922: Invalid function byte: 0xb3.
sr: es51922: Packet doesn't end with \r\n.
sr: serial: Got 14 bytes, but not a valid packet.
sr: serial: Detection timed out after 1000ms.
sr: serial: Didn't find a valid packet (read 28 bytes).
sr: serial: Closing serial port /dev/ttyUSB1 (fd 11).
sr: hwdriver: Scan of 'uni-t-ut61e-ser' found 0 devices.