HP 40290-69041 - RS-232C advanced terminal processor (ATP 37/M) board - Has 50-pin connector on rear - RS-232C Advanced Terminal Processor (ATP 37/M) Board (Standard) - Has 50 Pin Connector on Rear (for Attaching Cable to External Connector Panel) Retail
HP C3310-60011 - Internal SCSI cable with one rear panel connector and one internal connector - From rear panel connector to the backplane board on the internal drive rack Retail
HP 40290-69042 - RS-422 advanced terminal processor (ATP 37/M) board - Has 50 pin connector on rear (for attaching cable to external connector panel) - RS-422 Advanced Terminal Processor (ATP 37/M) Board (Option 105) - Has 50 Pin Connector on Rear (f Retail