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) |
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| 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 |
| |
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| 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. |
