APPENDICES
Appendix A: Specifications
Dimensions (LxDxH)
17.25" x 10.25" x 1.75" 43.8 x 26 x 4.5 cm
Weight
7.5 lb/3.4 kg dry
12.6 lb/5.7 kg shipping
Operating Temperature
Humidity
0% to 80%,
Power Input Range
Power Consumption
8W typical
Front Panel DIP Switches
Device Identification:
Disconnect on Loop or Loop and Call Progression
Noise Burst Adapt
Momentary On/Off Latching On/Off
Control/Status
Inputs: active low (pull to ground)
Outputs: Open collector, 40VDC max, 40mA each Unbalanced Transmit and Receive
Telco Line
RJ-11
POTS (plain old telephone service) or analog extension from a PBX
Telco Set
Connect analog telephone set
Transmit Input
Receive Output
Nominal Level: 0dBu
Maximum Level: 20dBu
Audio Performance Conditions: Unless otherwise specified, all measurements are performed with a 250Hz to 3.5kHz BW limit (no weighting). Reference to 0dBu at
Frequency Response: 250Hz to 3.5kHz, ±1dB
SNR: >56dB
THD+N: <0.3%
Telco Echo Cancellation
TEC tail time: 31ms
TEC null: 55dB nominal
Approvals
FCC, CSA, CE