Clear-Com TEL-14 - Manual (Page 33)

T E L - 1 4 T W O - C H A N N E L T E L E P H O N E I N T E R F A C E 4 - 1
SPECIFICATIONS
AUDIO
Frequency Response 300 Hz - 3500 Hz
Send Gain Control Range ± 12 dB
Send Gain (@ 0 dB setting) -12 dBv on intercom line produces -9 dBm on
telephone line
Receive Gain Control Range ± 12 dB
Receive Gain (@ 0 dB setting) -27 dBm on telephone line produces -12 dBv
on intercom line
Trans-Hybrid Loss > 40 dB, typical
RING DETECT SENSITIVITY
The TEL-14 will operate with most international telephone ring signal standards.
TELEPHONE DISCONNECT
Dial Tone* 350 Hz + 440 Hz, continuous
Busy Tone* 480 Hz + 620 Hz, 0.5 sec on / 0.5 sec off
Reorder Tone* 480 Hz + 620 Hz, 0.25 sec on / 0.25 sec off
Loop Current Interruption > 5 mS
* or as set according to Table I3-3
TELEPHONE LINE ISOLATION
Dielectric Strength 1500 VAC
Resistance >10 Meg ohms between each telephone line
and the Matrix Plus Interface Frame.
POWER SUPPLY
Supplied by the matrix interface module frame's power supply
Voltage Required
Between ±8 and ±12 Volts DC Unregulated
Current Required 370 milliamps (positive supply, maximum)
130 milliamps (negative supply, maximum)
CONNECTORS
RJ-45 "To Matrix" Connector 2 for Intercom connection
DB-9M Connector 2 for Telephone Line, Telephone Set, and Relay
Contact connections (RJ-11 adapter supplied)
RELAY CONTACTS
Type Dry, Normally Open when TEL-14 is
On-Hook
Voltage 24 Volts AC
Current 2 Amps Maximum
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