| Description: |
AI-80
Restrictions |
AI-7280
Restrictions |
Generate
network tones:
adjustable frequency, level, pattern (up to 4 tones)
pre-defined: dial, ring back ,busy, stutter dial |
maximum
2 tones available, no simultaneous noise |
- |
DTMF
Measurement
Low and high group level
Low and high group frequency
Total and twist level
Duration and inter-digit time |
timing
measurement not available |
- |
Pulse
Dialing Measurement
Make time (min, max, average)
Break time (min, max, average)
Ratio and PPS (pulses per second) |
- |
- |
| Line
Flash Timing Measurement |
- |
- |
| Adjustable
DTMF digit limits |
- |
- |
| Adjustable
pulse dialing & flash timing limits |
- |
- |
Generate
Telecordia based FSK Caller ID
Type I (on-hook) signaling:
Send data after 1st ring
Send data after OSI
Type II (off-hook) signaling:
Send CAS, wait for ACK, send data
Message types
supported:
Single Message with Visual Msg. Waiting
Multiple Message with Visual Msg. Waiting
Parameter types
supported:
Date/time, calling number,
number absence, calling name,
name absence, visual waiting |
*1 |
*1 |
Generate
ETSI based FSK Caller ID
Type I (on-hook) signaling:
Send data after 1st ring
RP-AS before data
DT-AS before data
Line reversal, DT-AS before data
Type II (off-hook) signaling:
Send CAS, wait for ACK, send data
Message types
supported:
Call Setup, Visual Msg Waiting
Parameter types supported:
Date/time, calling number,
number absence, calling name,
name absence, visual waiting |
*1 |
*1 |
Generate
DTMF based Caller ID
Type I (on-hook) signaling:
Send data before ringing
RP-AS before data with ringing
Line reversal before data with ringing
Line reversal, wait off-hook, send data
Type II (off-hook) signaling:
Send data
Message structure:
Up to 4 fields
Programmable start code
Programmable stop code
Maximum of 64 DTMF digits |
*1 |
*1 |
Measure
Type II (off-hook) Caller ID ACK
ACK digit Digit code
Low and high group level
Low and high group frequency
Total and twist level |
- |
- |
Telephone
Interface
Line Voltage & Loop Current |
48V fixed line voltage, loop current either 26 or 45 mA. Fixed constant current mode. |
Voltage from 15 to 55 V, Current from 15 to 55 mA. Either constant voltage or constant current mode. |
Telephone
Interface
Line Impedance |
600/900 ohm, and optional complex
*2 |
600/900 ohm, TBR-21, and optional complex
*2 |
Telephone
Interface
Balance Impedance |
not
available |
600/900 ohm, TBR-21, and optional complex
*2 |
Telephone
Interface
Off hook current threshold |
fixed
at approximately 10 mA |
Adjustable from 5 to 15 mA |
Programmable
ringing generator
adjustable frequency, level, pattern,
wave shape, and DC offset voltage |
wave
shape always sine, fixed DC offset voltage |
- |
Generate
DTMF tones
adjustable level, twist, freq. offset, on/off time |
- |
- |
Generate
MF tones
adjustable level, freq. offset, on/off time
ITU Q.320, Q.441, and user define tone tables |
- |
- |
Generate
FSK signals (separate from Caller ID)
adjustable mark/space level, freq., baud rate
user defined data |
- |
- |
Generate
metering pulses
Adjustable frequency, level, duration, rate |
not
available |
- |
Generate
broadband white noise
adjustable level |
- |
- |
Measure
wide band signal level & frequency
Level units: dBm (600 ohms), dBV, or mVrms |
frequency
measurement not available |
- |
Selectable
AC Filters
LPF, HPF, LFP+HPF, Band pass,
notch , dual notch
DTMF LPF, DTMF HPF,
C-message |
not
available |
- |
| Measure
signal THD+N and DTMF THD+N |
not
available |
- |
| Measure
DC line voltage and loop current |
not
available |
- |
Monitor
telephone line signals
From BNC output connector |
only if I/O module is installed |
- |
Monitor
telephone line signals
From built-in speaker |
- |
not
available |
Inject
signals onto the telephone line
From BNC input connector |
only if I/O module is installed |
- |
Products