Marantz SR7400 SR8400 RS-232C Command Codes - Page 3

SR7400/8400 RS232C Control Spec. Page: 3 / 17 Document Version [1.00] 1. Introduction 1-1. Purpose This document was written in order to clarify specification for control this product by the host controller. 1-2. Scope This document would be using by software or hardware engineers for production of this product. This product is [marantz SR6400/SR5400]. (It's refered to as "This product" after this.) 1-3. Abbreviations Abbreviation Description 1-4. References 2. Global Description 2-1. Overview A Host controller can control or watch out This product as a Slave very easily via the communication cable. 2-2. Block Diagram HOST (Controller) RS232C cable (straight) SLAVE (This product) Connector D-SUB (9pin, male) 2-3. Interface connecter specification of This Product Processor Interface - UART GENERAL PORT - Signal name N.C. TxD (output) RxD (input) N.C. GND N.C. CTS (input) RTS (output) N.C. Connection device - RS232C Level shift driver - RS232C Level shift driver - D-Sub Pin 1 2 3 4 5 6 7 8 9 Connecter RS232C D-SUB (9pin,male) 2-4. Assumptions and Dependencies