Jual 2 Port RS485 Hub RS232 / RS485 to RS485 RS-232 RS-485 To RS-485 hub - Jakarta Utara - Automation dan Control | Tokopedia
Urs104A RS485 Hub, 1 Channel Input, 4 Channels Output. Half-Duplex, One Way Communication, Designed for The PTZ Control on CCTV System - China RS485 Hub and RS485 Splitter