ABACUS 100
SPIRENT ABACUS
TONE SPECIFICATIONS
•
Send any two frequencies with an accuracy of ±0.05% or ±0.5 Hz
•
Send noise or silence
•
Send with a resolution of 8 ms and an accuracy of ±20 ms
•
Detect any two frequencies with a minimum difference
of 80 Hz for no noise
•
Detect energy or silence
•
Detect signals with a minimum duration of 40 ms at various
thresholds, with an accuracy of ±20 ms
PATH CONFIRMATION SPECIFICATIONS
•
3-tone: Use series of three single frequencies
•
Physical: Use series of dual frequencies to identify unique
address of channel
•
Resilient: Exchange tones with precise voice activation factor
(VAF), and measure disturbances in the speech path
VOICE QUALITY SPECIFICATIONS
•
PSQM, PSQM+ and PESQ voice quality measurements on 100
channels
•
PSQM, PSQM+ to MOS conversion
•
MOS-LQO, R-factor (P.834) and J-MOS calculations from PESQ
measurements
SPECIFICATIONS FOR MAKING AND RECEIVING CALLS
Sending and Receiving Digits
•
Signaling: DTMF, MF R1, MF R2 and pulse
•
Programmable times for tone on and tone off
•
Programmable make interval, break interval, and inter-digit
pause for pulse dialing
•
Number of digits is fixed or automatically detected
•
Detect caller ID
•
Programmable tone transmission and detection
Call Progress Tones
•
Detect dial tone, ring back, busy, howler tone and congestion
•
Programmable frequencies and cadences
Audio Monitor
•
Listen to any 2 channels
•
Listen to channels from the controlling PC over Ethernet
ANALOG MEASUREMENT SPECIFICATIONS
Delays
•
Dial tone, single tone, dual tone, call acknowledgement,
round trip, user timer
Hits and Clips
•
Measure up to 1 second of interruptions in speech path
PROTOCOL SPECIFICATIONS
•
Loop start
FAX AND MODEM MEASUREMENT SPECIFICATIONS
•
Support T.30 (G3) fax (up to V.17) on 96 channels
•
Support V.34 analog data modem (up to V.34)
on 32 channels
ECHO MEASUREMENT SPECIFICATIONS
•
Echo cancellation on/off
•
Echo delay
•
ERL (Echo Return Loss)
•
ERLE measurement (Echo Return Loss Enhancement)
•
TELR measurements (Talk Echo Loudness Rating)
•
Support echo measurements on 4 channels
INTERFACES
Components
•
Stand alone 1U high 19” rack mountable
Capacity
•
100 FXO circuits
Connection
•
Front panel with 100 LEDs and one RJ-45 connector
•
Back panel with four 50-pin Telco connectors and one DB9
connector
ELECTRICAL SPECIFICATIONS
•
Power supplied through external -48 VDC desktop power
supply or external -48 VDC source
•
Power draw: Maximum of 60W
•
Power switch on back panel with fuse
•
External -48 VDC desktop power supply:
• 90 to 264 VAC
• 47 to 63 Hz
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