|
|
Specifications |
| General |
| Pulse Dialing |
| Pulse rate |
10 pps ±10% |
| Make/break ratio |
60/40% ±2% |
| Interdigit interval |
820 ms |
| Resistance in break |
120 kΩ |
| |
| DTMF Output (into 600Ω) |
| Tone frequency error |
±1.5% |
| Tone Level |
| -- High group |
–6 dBm ±2 dB |
| -- Low group |
–8 dBm ±2 dB |
| High vs low difference |
2 dBm ±1 dB |
| |
| Memory Dialing |
Type
|
5 programmed and last number redial |
Memory capacity
|
19 digits |
| Memory retention w/battery |
>2 yrs |
| Flash duration |
600 ms ±50 ms |
| Pause duration |
| -- Tone |
3.0 s |
| -- Pulse |
3.4 s |
| Ringer equivalent (Bell mode) |
0.0 (no ringer load) |
| |
| Measurement |
| Voltage |
0 to 128 V DC ±5% |
| Current |
10 to 140 mA ±5% |
| |
| Environmental |
| Temperature |
| -- Operating |
0 to 50°C |
| -- Storage |
–20 to 60°C |
| |
| Physical |
| Length (w/o lanyard) |
18.4 cm (7.25 in) |
| Width |
6.4 cm (2.50 in) |
| Height |
4.3 cm (1.68 in) |
| Weight (with cord set) |
<284 gm (10 oz) |
| |
| Electrical |
| Battery current consumption (typical) |
| Bell (timed out) |
15 μA |
| Talk |
|
| -- CWCID off |
2 mA |
| -- CWCID on |
12 mA |
| -- MON |
25 mA |
| Battery life (alkaline, 450 mA-hr, included) |
Operating
|
18 hrs (min); 225 hrs (max) |
| Standby |
3.4 yrs |
| Typical |
30–50 hrs |
| Return loss |
14 dB at 600Ω |
| Line current range |
15 to 120 mA |
Apparent line resistance
|
275Ωat 20 mA |
| Monitor mode impedance |
>130 kΩ |