Tascam HD-R1 Technical Information page 2

1. Overview
You can control the HD-R1 from a computer or other external device using its RS-232C port. In this document,
the HD-R1 is the controlled device, and the external device that controls it is the control device.
2. Specifications
Electrical specifications
Applicable standard
Receiver impedance
Sender open circuit voltage
Receiver open circuit voltage
Signal discrimination
Transmission specifications
Circuit format
Transmission format
Data signal speed
Character length
Parity bit
Stop bit
Note: The settings are fixed for the data signal speed, character length, parity bit and stop bit. The control device
must be adjusted to match the HD-R1 settings.
Pin configuration
Connector
Port pin allocations and input and output signals
Pin In/Out
number
1 - NC
2 In Rx Data
3 Out Tx Data
4 - NC
5 - GND
6 - NC
7 - NC
8 - NC
9 - NC
*Raise the voltage of Rx Data to comply with the RS-232C standard.
JIS X-5101 (equivalent to old JIS C-6361 and EIA RS-232C)
(Not compatible with RS-422A in commercial use VCRs and other equipment)
3 KΩ or more measured at applied voltage of ±3 – ±25 V
±25 V or less
±3.3 or less
Logic "1" +2 V or more
Logic "0" +0.8 V or more
Three-wire, half duplex
Digital binary serial transmission
9600 bit/sec
8 bits
None
1 bit
D-sub 9-pin female (inch screw thread)
Signal
Not used
Receive data*
Send data
Not used
Ground
Not used
Not used
Not used
Not used
2
Description
TEAC Corporation