Rs232c cable (straight), Rs-232c control specification – Marantz SR7002 User Manual
Page 4

SR8002/SR7002
RS-232C Control Specification
Page: 4 / 32
Document Version [1.00]
Company Restricted
2. Global
Description
2-1. Overview
A Host controller can control or watch out the product as a Slave very easily via the communication cable.
2-2. Block Diagram
* The product connector is using D-SUB 9pin male.
* RS232C cable must use D-SUB 9pin female to connect the products.
2-3. Interface connection specification of the product
uP Interface Signal name Connection device
D-Sub Pin
Connecter
- N.C.
-
1
TxD (output)
2
UART
RxD (input)
RS232C
Level shift driver
3
- N.C.
-
4
-
GND GND
5
- N.C.
-
6
- N.C.
-
7
- N.C.
-
8
- N.C.
-
9
<The product connector>
RS232C D-SUB (9pin,Male)
2-4. Assumptions and Dependencies
HOST
(Controller)
SLAVE
(The product)
Connector
D-SUB (9pin, male)
RS232C cable (Straight)