User manual

Appendix A: Specifications
A-26
AM700 Audio Measurement Set User Manual
Table A-9: Front Panel Hardware
Capabilities Description
Audio Input and Output Connectors
Analog Audio Standard XLR female: pin 1 shield, pin 2+,
pin 3 –
Digital Audio Input: XLR female, Output: XLR male
Headphone Jack Standard 1/4 inch, stereo
Channel A is left; Channel B is right.
Headphone Nominal Impedance 8 to 2000 Ω
Output Power to Headphones 20 mW minimum into 8 Ω to 2000 Ω headphones
at full volume
Table A-10: Rear Panel Hardware
Capabilities Description
Remote Connector
Normally Open Contact, Pin 3 to Pin 9
Maximum Voltage
Maximum Current
Maximum Power
Relay Closure Input Pin 1
Ground Pins
Normally Closed Contact, Pin 5 to Pin 9
Maximum Voltage
Maximum Current
Maximum Power
+5 V Output, Pin 7
Female DB9
28 VDC
500 mA
14 W
Pulled to +5 V 100 mA; input is protected
2, 4, 6, and 8
28 VDC
500 mA
14 W
+ 5 V at 5 mA
Use ground pins 2, 4, or 6 to pull the relay-closure
input low through an external contact-closure
relay.
The +5 V output is provided to drive the relay-
closure input pin through an external contact-
closure relay.
GPIB Connector Meets electrical specification described in
IEEE–488