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Model 3500
Product Overview
Key Features
Specifications
Model 3500 Caller ID Telephone R&D / Production Tester: Specifications

Central Office Simulation
Line Type Two-wire, loop start
AC Source Impedance 600 or 900 Ohms (jumper selectable) +/- 25 Ohms
DC Voltage Selectable +48 or -48 VDC (floating from ground)
Ringing Voltage Programmable from 15 to 80 VAC rms, 20 to 80 Hz Programmable cadences for US and international ringing
Line Current 10 to 80 mA (+/- 2 mA)
Loop Simulation Selectable 3 km (9840 ft) or 6 km (19680 ft) of 26 AWG

FSK Transmission
Transmitter Standards Bell 202 and ITU V.23
Level Resolution 0 to -48 dBm in 1 dB steps
Frequency Resolution Each tone programmable in 1 Hz steps to +/- 5.0% of nominal FSK tone frequencies
Level Accuracy +/- 1 dB
Frequency Accuracy +/- 1 Hz
Baud Rate Programmable in 1 bps steps between 1180 and 1320 bps

FAX Modem
Specifications ITU V.26bis, V.27ter, V.29
Baud Rate 2400, 4800 and 9600 bps
Level Resolution 0 to -48 dBm in 1 dB steps
Level Accuracy +/- 1 dB

Tone Generators

    Primary generator (1)     
    Frequency Range Programmable from 150 Hz to 20000 Hz +/- 1 Hz
    Level Range Programmable from -38 to +10 dBm ( +/- 1 dBm)

    Secondary generators (4)     
    Frequency Range Programmable from 50 Hz to 4800 Hz +/- 1 Hz
    Level Range Programmable from 0 to -48 dBm ( +/- 1 dBm)

CAS Tone Generator
Low Tone (Nominal) 2130 Hz +/- 1 Hz
High Tone (Nominal) 2750 Hz +/- 1 Hz
Frequency Resolution Each tone programmable in 1 Hz steps to +/- 5.0% of nominal CAS tone frequencies
Frequency Accuracy +/- 1 Hz
Signal Level Programmable from -48 dBm to -5 dBm for each tone
Twist Programmable from -20 dB to +20 dB (with level range)
Duration Programmable from 1 to 250 mSec

DTMF Signaling

    Generator  
    Frequency accuracy +/- 1 Hz of nominal values
    Frequency resolution Each tone programmable in 1 Hz steps to +/- 5.0% of nominal DTMF tone frequencies.
    Amplitude Programmable from -40 dBm to -2 dBm per tone
    Twist Programmable from -15 dB to +15 dB (within level range)
    Duration Programmable from 40 to 200 mS
   
    Receiver  
    Frequency Deviation Accept +/- 1.5% (+/- 2 Hz) of nominal frequencies
    Frequency Deviation Reject +/- 3.5%
    Detection Amplitude -32 dBm to -2 dBm per tone
    Twist Tolerance -8 dB to +8 dB
    Tone Duration 40 mS or greater

Noise Generation
Type White, Flat (>20 kHz), C-Message (jumper selectable)
Randomness Pseudo-random, with repeat interval of 5.2 hours
Range Programmable in 1 dB steps from 20 to 88 dBrnC
Accuracy +/- 0.5 dB
Signal To Noise Ratio (SNR) Programmable in 1 dB steps from 0 to 48 dB

Audio Input/Output
Connectors 1/8" (3.5 mm) mono jacks
Input Impedance 10 kOhms
Output Drive Up to 6 Watts into an impedance of 8 ohms or higher
Frequency Response +/- 0.5 dB (relative to 1000 Hz) between 500 & 4000 Hz

Front Panel
Display 2 x 20 characters, vacuum florescent
Push Buttons 12 illuminated buttons, programmable in software
Indicators Two 4-digit LCDs
Test Ports Two RJ-11s
One set of Banana jacks
One RJ-11 jack wired for UK applications
Disk Drive Dual-density 3.5" floppy

Rear Panel
Serial Port RS-232, configured as DTE
Parallel Port Standard
VGA Port Standard
Keyboard PS-2 type
Audio Input/Output Two 1/8" mono jacks

Controller System
Controller 486SX, 66 MHz
Memory 2 Megabyte D-RAM
2 Megabyte disk-on-chip (expandable to 72 M)
Expansion Bus PC/104 (Up to two stackable cards permitted)

Mechanical
Size 10" x 4" x 13" (25 cm x 10 cm by 33 cm)
Weight 9 lbs (4 kg)
Operating Temperature 32 F to 122 F (0 C to 50 C)
Power External power supply with universal IEC connector
100 to 250 Vac, 50 or 60 Hz.
0.7 mA input current

Specifications subject to change without notice.

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