P990A-8 8个RS232口,可扩充到64口,接1个A641连接盒 P990A-16 16个RS232口,可扩充到64口,接2个A641连接盒
P990A-24 24个RS232口,可扩充到64口,接3个A641连接盒
P990A-32 32个RS232口,可扩充到64口,接4个A641连接盒
P990A-40 40个RS232口,可扩充到64口,接5个A641连接盒
P990A-48 48个RS232口,可扩充到64口,接6个A641连接盒
P990A-56 56个RS232口,可扩充到64口,接7个A641连接盒
P990A-64 64个RS232口,可扩充到64口,接8个A641连接盒
P990R-8 8个RS232口,可扩充到64口,接1个R641连接盒
P990R-16 16个RS232口,可扩充到64口,接2个R641连接盒
P990R-24 24个RS232口,可扩充到64口,接3个R641连接盒
P990R-32 32个RS232口,可扩充到64口,接4个R641连接盒
P990R-40 40个RS232口,可扩充到64口,接5个R641连接盒
P990R-48 48个RS232口,可扩充到64口,接6个R641连接盒
P990R-56 56个RS232口,可扩充到64口,接7个R641连接盒
P990R-64 64个RS232口,可扩充到64口,接8个R641连接盒
P990F-8 8个RS232口,可扩充到64口,接F641连接盒
P990A-8 8个RS232口,可扩充到64口,接1个A641连接盒 P990A-16 16个RS232口,可扩充到64口,接2个A641连接盒
P990A-24 24个RS232口,可扩充到64口,接3个A641连接盒
P990A-32 32个RS232口,可扩充到64口,接4个A641连接盒
P990A-40 40个RS232口,可扩充到64口,接5个A641连接盒
P990A-48 48个RS232口,可扩充到64口,接6个A641连接盒
P990A-56 56个RS232口,可扩充到64口,接7个A641连接盒
P990A-64 64个RS232口,可扩充到64口,接8个A641连接盒
P990R-8 8个RS232口,可扩充到64口,接1个R641连接盒
P990R-16 16个RS232口,可扩充到64口,接2个R641连接盒
P990R-24 24个RS232口,可扩充到64口,接3个R641连接盒
P990R-32 32个RS232口,可扩充到64口,接4个R641连接盒
P990R-40 40个RS232口,可扩充到64口,接5个R641连接盒
P990R-48 48个RS232口,可扩充到64口,接6个R641连接盒
P990R-56 56个RS232口,可扩充到64口,接7个R641连接盒
P990F-8 8个RS232口,可扩充到64口,接F641连接盒
P990A-8 8个RS232口,可扩充到64口,接1个A641连接盒 P990A-16 16个RS232口,可扩充到64口,接2个A641连接盒
P990A-24 24个RS232口,可扩充到64口,接3个A641连接盒
P990A-32 32个RS232口,可扩充到64口,接4个A641连接盒
P990A-40 40个RS232口,可扩充到64口,接5个A641连接盒
P990A-48 48个RS232口,可扩充到64口,接6个A641连接盒
P990A-56 56个RS232口,可扩充到64口,接7个A641连接盒
P990A-64 64个RS232口,可扩充到64口,接8个A641连接盒
P990R-8 8个RS232口,可扩充到64口,接1个R641连接盒
P990R-16 16个RS232口,可扩充到64口,接2个R641连接盒
P990R-24 24个RS232口,可扩充到64口,接3个R641连接盒
P990R-32 32个RS232口,可扩充到64口,接4个R641连接盒
P990R-40 40个RS232口,可扩充到64口,接5个R641连接盒
P990R-48 48个RS232口,可扩充到64口,接6个R641连接盒
P990R-56 56个RS232口,可扩充到64口,接7个R641连接盒
P990R-64 64个RS232口,可扩充到64口,接8个R641连接盒
P990F-8 8个RS232口,可扩充到64口,接F641连接盒
