出为RS-485接口
IBF-U1-485,IBF-U1-232,IBF-U2-485,IBF-U2-232,IBF-U3-485,IBF-U3-232,IBF-U4-485,IBF-U4-232,IBF-U5-485,IBF-U5-232,
IBF-U6-485,IBF-U6-232,IBF-U7-485,IBF-U7-232,IBF-U8-485,IBF-U8-232,IBF-A1-485,IBF-A1-232,IBF-A2-485,IBF-A2-232,
IBF-A3-485,IBF-A3-232,IBF-A4-485,IBF-A4-232,IBF-A5-485,IBF-A5-232,IBF-A6-485,IBF-A6-232,IBF-A7-485,IBF-A7-232,
IBF-A8-485,IBF-A8-232,