R-105QT-6000 Reference Manual3-5-2-2. Online interfaceOnly the RS-232C COM 1 port can be connected with a modem or a personal computer.1) Specification of RS-232C COM 1 portCommunication method: Half duplex communicationConfiguration of connection: Point-to pointLine type: Public lines / exclusive linesStarting method: Center (host computer) based start upProtocol: Async.Communication speed: 2400 / 4800 / 9600 / 19200 / 38400 / 57600 / 115200 bpsError control: CRC-128 or CRC-1024Text length: 128 or 1024 bytes2) The cable diagram between the terminal and MODEM3) The cable diagram between the terminal and PCWireless inlineWireless inline system requires wireless LAN card installed in the QT-6000 terminaland access point.Via access point and hub, wireless inline terminal can communicate with the wiredinline terminal.Access PointAccess PointHubTerminal (COM 1) MODEMPin Signal Signal PinNo. name name No.3 SD/TDX SD 22 RD/RXD RD 37 RS/RTS RS 48 CS/CTS CS 51 CD/DCD CD 84 ER/DTR ER 206 DR/DSR DR 69 CI/RI CI 225 GND GND 7(DSUB25)Terminal (COM 1) PCPin Signal Signal Pin PinNo. name name No. No.3 SD/TDX SD 3 22 RD/RXD RD 2 37 RS/RTS RS 7 48 CS/CTS CS 8 51 CD/DCD CD 1 84 ER/DTR ER 4 206 DR/DSR DR 6 69 CI/RI CI 225 GND GND 5 7(DSUB25)(DSUB9)NoteSet unique ESS ID and WEP KEY character for your safety.