发表于:2005-05-06 12:18:00
1楼
泓格VXC-142 2口非隔离 RS-422/RS-485
http://www.icpdas.com.cn/products/multi/vxc-142_c.htm
泓格VXC-142i 2口带隔离 RS-422/RS-485
http://www.icpdas.com.cn/products/multi/vxc-142i_c.htm
泓格VXC-182I 1个带隔离的 RS-422/RS-485口和1个 RS-232口
http://www.icpdas.com.cn/products/multi/vxc-182i_c.htm