Talkswitch 24-CA User Manual page 220

Analog extension interface
Trunk type
Connector type
Interface impedance
Loop range
Hook flash supported
On-hook voltage
Off-hook loop voltage
source
Off-hook loop currant
Dial tone level
Ringing voltage
Ringing frequency
Total ringing load
Analog trunks
Connector type
Trunk type
Interface impedance
Ringing impedance
Ringing sensitively
REN
Longitudinal balance
Signal level
Distinctive ring supported
Caller ID support
Dimensions (H x W x L)
Metric
Imperial
Weight
Metric
Imperial
Regulatory Approvals
ACTA TIA/EIA/IS-968A and FCC Part 68, Industry Canada CS-03,
FCC Part 15B, Industry Canada ICES-003.
Power adapter complies with UL and CSA
2 0 8
Loop start
RJ-11, 2-pin
600 ohms
0–600 ohms
Yes
35 volts
35 volts
23 mA to 40 mA
-2.4 dBm
90 volts RMS
20 Hz – True sine wave
5 REN
RJ-11, 4-pin
Loop start
Configurable, 600 ohms, 600 complex, 900 ohms,
900 complex
3,900 ohms
45 volts RMS @ 20 Hz
0.78
69 dB
-10 dB
Yes
FSK, all lines
51.6 mm x 203.2 mm x 213.4 mm
2.03" x 8" x 8.4"
24-CA
0.64 kg
1.41 lbs
T A L K S W I T C H U S E R G U I D E • N O R T H A M E R I C A
48-CA 48-CVA
0.88 kg 0.90 kg
1.94 lbs 1.98 lbs