Specification
ELECTRICAL
Loop limit
DC resistance
Talk Mode
Monitor impedance
Rotary dial output
Pulsing rate
Percent break
Inter digit interval
Leakage during Break >130 KΩ
DTMF output
Tone frequency error ±1.5% maximum
Tone level
High versus low tone 4 dB maximum
Memory dialing
Memory capacity
Digit capacity
PBX pause duration
Power source
PHYSICAL(Hook included)
Measurement
Weight
2 KΩ maximum at 48 Vdc
(nominal 20 mA minimum loop current)
300Ω typical
>39kΩ nominal at 1 KHz
10pps+0.8pps
60/40%±2%
1000 ms typical
-8±2dBm combined (typical)
12 memories
16 digits per memory
1~3.6 seconds
4pcs 1.5V AAA batteries (not included)
218.5 ×69.5 × 49mm (8.6" × 2.7" × 1.9")
208g typical
15