Avid Technology Digidesign USD User Manual

Universal Slave Driver86
PC Serial Port
Pin # Name Description
1
GND Connected to chassis ground
2
TX_IN Received data (input to USD)
3
RX_OUT Transmitted data (output from USD)
4
RTS_IN Request To Send (input to USD)
5
CTS_OUT Clear To Send (output from USD)
6
NC No Connection
7
GND Connected to chassis ground
8-25
NC No Connection
Shell
GND Connected to chassis ground
Bi-phase/Tach/GPI/Pilot Port (Accessory Port)
Pin # Name Description
1
GPOUT0 GPI TTL-level output 0
2
GPOUT1 GPI TTL-level output 1
3
GPOUT0_A GPI Relay 0, contact A
4
GPOUT0_B GPI Relay 0, contact B
5
GPOUT1_A GPI Relay 1, contact A
6
GPOUT1_B GPI Relay 1, contact B
7
GPOUT2_A GPI Relay 2, contact A
8
GPOUT2_B GPI Relay 2, contact B
9
GPOUT3_A GPI Relay 3, contact A
10
GPOUT3_B GPI Relay 3, contact B
11
OPTRETURN Return from Bi-phase/Tach opto-isolators
12
BIPHB_I Input to Bi-phase/Tach opto-isolator B
13
BIPHA_I Input to Bi-phase/Tach opto-isolator A
14
GND Chassis ground
Connector Pin Assignments

Avid Technology Digidesign USD Specifications

General

Brand	Avid Technology
Model	Digidesign USD
Category	Recording Equipment
Language	English