Instruction manual

ACU-1000 Operations Manual
Interoperability Now 5-5
5.6.4 HSP-2A Specifications
Table 5-1 HSP-2A Specifications
Telephone Handset
Microphone/Handset Interface
Input level configurable by internal jumpers; -3 to +3 dBm.
Handset
E l ectret microphone, dynamic receiver, PT T switch.
Headphone Interface
Drives high, medium, or low impedance headphones.
Delivers NLT 10mW into 600-Ohm headphones.
D i al i ng and Programmi ng K eypad 3x4, S tandard T el ephone L ayout.
Audio Line Input/Output
Input Impedance
Unbalanced 15k
Ω.
Input Level
0 dB m nomi nal ( not adj ustabl e) .
Output Impedance
Unbalanced 600 Ω.
Output Level
0 dB m fixed into 600 Ω, nominal .
Digital Inputs (/AUX In 1-2, COR)
Standard Polarity
Active Low.
Threshold
2.5V nominal.
Input Impedance
47kΩ to +5V.
Protection
+
100V.
Digital Outputs (/AUX Out 1-2, /PTT)
Standard Polarity
Active Low.
Type
Open Drain, weak pull-up 47k
Ω
to +5V.
Maximum Voltage
+60V.
On Resistance
5
Ω
nominal.
Maximum Current Sink
50 mA.
Voice Prompts
Capable of up to 255 voice prompts, as needed.
General
Distortion
Less than 0.5%.
Noise Floor
-65 dBm.
Frequency Response
100 to 3200 Hz, +/- 2 dB.
Speaker Driver Power
2.5W min @ 10% Distortion.
Internal Speaker
2.0W
Front Panel Controls
Volume, Speaker On/Off, 3x4 Keypad.
Front Panel Indicators
Signal, PTT, and Fault LEDs.
Front Panel Connectors
Phones: 1/8” stereo jack, Handset: RJ-12C Jack.
Handset Connections
RJ12C Connectors on the front panel.
Audio Line Connections
Rear Panel.
Rear
60 Pin PC edge connector for backplane.
Input Power
+/- 1
2V, +Bus Voltage supplied by the backplane.
Size
Eurocard Module: 5’’H x 3.6’’W x 9’’D Nominal
Weight
1.0 lb. (0.5kg).