品牌
生产厂家厂商性质
武汉市所在地
ETH2232L型 |
ETH2232L | 以太网ßà2路RS-232/485/422转换器 | 0-115.2Kbps | POE供电,5-24V |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
RS-232 | | TXD1 | | GND | | RXD2 | | | | RXD1 | | (+5V) | TXD2 | | |
RS-485 | | | B1 | GND | | | | A2 | | | A1 | (+5V) | | | B2 |
RS-422 | R1— | | T1— | GND | | | R2+ | T2+ | R1+ | | T1+ | (+5V) | | R2— | T2— |