Epson CEPS-RJ4525X 10' NULL Modem Cable for SurePOS
Overview
The Epson CEPS-RJ4525X is a 10-foot NULL modem cable engineered for direct serial communication between Epson SurePOS point-of-sale terminals and external peripherals or host systems. NULL modem pinout means the transmit and receive lines are crossed — this cable eliminates the need for a separate adapter when connecting POS systems to back-office computers, legacy peripherals, or serial devices. The 10-foot length fits standard counter and back-office layouts without requiring additional extension cables.
Compatibility
The CEPS-RJ4525X is designed for Epson SurePOS 5x2 and EDG platform terminals. Confirm your SurePOS model number before ordering — this cable is built for serial connection and will not work with USB or network-only POS systems. If your SurePOS unit has an RJ-series serial port, this cable is the correct match.
Installation Notes
Connect one end directly to the SurePOS serial port and the other to your host computer or peripheral's serial input. NULL modem configuration means no additional signal conversion or pin swapping is required — the cable handles the cross-connection internally. Do not attempt to use this with a standard straight-through modem cable or serial extension cable in the same chain, as the pinout will be reversed and communication will fail. Keep the cable routed away from high-current power lines and heavy electrical equipment to avoid noise on the serial signal.
