description

These port-powered converters change TD and RD RS-232 lines to RS-485 signals. All are port powered and feature Automatic Send Data Control. SDC automatically enables the RS-485 driver when data is present on the RS-232 side. Control of the driver is automatic at rates up to 115.2 kbps.

further informations

Features

• Powered from RS-232 handshake lines — no power supply needed!
• Extend RS-232 signals to 4,000 feet
• Automatic Send Data Control - no software drivers needed!
• Communicate at baud rates to 115.2 kbps 

Model No.	RS-232 Connector	RS-485 Connector	Power Supply	Output
485SD9R	DB9 Female	DB9 Female	Port Powered	2-wire RS-485
485SD9TB	DB9 Female	Terminal Block	Port Powered or 485PS2	2-wire RS-485
485DRJ	DB9 Female	2 RJ-11 in Parallel	Port Powered	2-wire or 4-wire RS-485
485SD9RJ	DB9 Female	RJ-11	Port Powered	2-wire RS-485
485LPCOR	DB25 Female	DB25 male	Port Powered or 485PS2	2-wire RS-485
485BAT3	DB9 Female	Terminal Block	2 AAA batteries, Port Powered or 485PS2	4 wire RS-422 2-wire or 4-wire RS-485
4WSD9R	DB9 Female	DB9 Female	Port Powered or 485PS2	4 wire RS-422 2-wire or 4-wire RS-485
4WSD9TB	DB9 Female	Terminal Block	Port Powered or 485PS2	4 wire RS-422 2-wire or 4-wire RS-485