The CON-485-PE9 is a high quality port powered bi-directional RS232 to RS485 converter with 15KV ESD and 600W surge protection in a 9 pin format. This converter features two terminal blocks, one for rugged applications and the other with selectable optional built-in 120 Ohm termination for maximum flexibility and reliability. Operates reliably from 300 to 115.2K baud. MTBF: 231,900 Hours

The CON-485-PIE is a high quality industrial-grade port powered or external powered bi-directional RS232 to RS485 converter with 15KV ESD and 600W surge protection in a 9 pin format. This converter is port powered or can use optional 5V external power. If you do not know port power will work in your application this converter is a good solution. Operates reliably from 300 to 115.2K baud. MTBF: 306,000 Hours

The CON-485-PI9 is a high quality compact industrial-grade port powered bi-directional RS232 to RS485 converter with 15KV ESD and 600W surge protection in a 9 pin format. This converter was designed for space restricted applications. Operates reliably from 300 to 115.2K baud. MTBF: 251,702 Hours

The CON-485-PE25 is a high quality port powered bi-directional RS232 to RS485 adapter with 15KV ESD and 600W surge protection in a 25 pin format. Operates reliably from 300 to 115.2K baud. MTBF: 232,535 Hours

The CON-485/422-PI9 is a high quality industrial-grade port powered bi-directional RS232 to RS485 or RS422 converter with 15KV ESD and 600W surge protection in a 9 pin format. This converter features a multi-purpose termination block with selectable built-in 120 Ohm termination. Operates reliably from 300 to 115.2K baud. MTBF: 251,862 Hours

The CON-485/422-EE9 is a high quality industrial-grade standalone, panel, or rack mounted externally powered bi-directional opto-isolated RS232 to 2-wire RS485 or 4-wire RS422 adapter with 15KV ESD and 600W surge protection in a 9 pin or RJ45 format. This converter features a optional terminal block with selectable built-in 120 Ohm termination. The unit is externally powered, so no external power is required. You don't need to worry about your RS232 device's ability to port power the converter. The converter features optical isolation which provides effective protection for your devices from voltage surges, ground loop conditions and noise problems. Operates reliably from 0 to 115.2K baud. MTBF: 340,911 Hours

The CON-485/422-EE4 is a high quality industrial-grade standalone, panel, or rack mounted externally powered bi-directional opto-isolated RS-232 to 4-wire RS-485 or 4-wire RS422 adapterr with 15KV ESD and 600W surge protection in a 9 pin or RJ45 format. This converter features an optional terminal block with selectable built-in 120 Ohm termination. The unit is externally powered so you do not have to worry about your RS232 device's ability to port power the converter. The converter features optical isolation which provides effective protection for your devices from voltage surges, ground loop conditions and noise problems. The optional separate terminal block is included with purchase. Operates reliably from 0 to 115.2K baud. MTBF: 340,911 Hours

The CON-485/422-REP is a rugged industrial-grade high quality external powered bi-directional 3KV isolated RS232 to RS485 or RS422 adapter with 15KV ESD and 600W surge protection. It is also a bidirectional RS-485 to RS422 converter or RS485 or RS422 isolator / repeater. This is our most versatile serial converter with DC input from 12V to 36V or AC input from 100VAC to 240VAC. This converter comes with built-in terminal blocks and housed in a steel case. Operates reliably from 300 to 115.2K baud. MTBF: 345,141 Hours

The ISO-485-PI9 is a high quality industrial-grade bi-directional opto-isolated port powered RS232 to RS485 adapter with 15KV ESD and 600W surge protection in a 9 pin format. This converter features two terminal blocks, one for rugged applications and the other with selectable built-in 120 Ohm termination for maximum flexibility and reliability. It provides 2500V optical isolation which effectively protects your devices from voltage surges, ground loop conditions and noise problems. Operates reliably from 300 to 57.6K baud. MTBF: 311,802 Hours