Balanced low Z audio output with front panel level control. - Front panel LED’s display power, hook, ring and valid DTMF tone. - SPDT End of Call relay. - External SPDT hook relay. - Remote line busy input. - User programmable number of rings before auto-answer. - User programmable access code, up to 10 digits. - Loop-thru phone jack. - Plug-in euro-block screw terminals for audio and remote control connections, mating plugs supplied. . . .

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Balanced low Z audio output with front panel level control.
– Front panel LED’s display power, hook, ring and valid DTMF tone.
– SPDT End of Call relay.
– External SPDT hook relay.
– Remote line busy input.
– User programmable number of rings before auto-answer.
– User programmable access code, up to 10 digits.
– Loop-thru phone jack.
– Plug-in euro-block screw terminals for audio and remote control connections, mating plugs supplied.
– Fully RFI proofed.
– Surge protected internal power supply, 12 VDC universal switching power supply with domestic connectors supplied. International AC connectors optional.
– Each unit may be set on a desktop, mounted on a wall or rack-mounted with the optional RA-1 rack shelf for mounting up to three units in 1-RU.

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