Audio

Frequency Response: 300Hz – 3.4kHz
Send Gain Control Range: +/-12dB
Receive Gain Control Range: +/-12dB
Ring Detect Sensitivity: Operates with most international telephone ring signal standards.
Auto-Mode Levels: -12dBv on intercom line for -9dBm on telephone line; -27dBm on telephone line for -12dBv on intercom line.

Telephone Disconnect

Dial Tone: 350Hz + 440Hz, continuous
Busy Tone: 480Hz + 620Hz, 0.5 sec on / 0.5 sec off
Reorder Tone: 480Hz + 620Hz, 0.25 sec on / 0.25 sec off
Loop Current Interruption: >5 ms
DC Isolation: >10M Ohms between each telephone line and the IMF interface frame.

Power

Supplied by the PSU-101 power supply

Voltage Required: Between +/-8 and +/-12 Volts

DC unregulated
Current Required: +370mA /-130mA

Connectors (via IMF Frame)

To Matrix Frame: (2) RJ45
DB-9M Connector:

(2) telephone line connections
(2) for relay contacts

Relay Contacts: Type “A1”, “Dry”, normally open when TEL-14 is on-hook

Controls and Indicators

(2) Hook switch and LED

(2) Send Volume control and LED

(2) Receive Volume control

(2) Auto Gain switch and LED

(2) Auto Answer switch and LED

(2) Auto Nulling reset switch

Environmental

Operating Temperature: 32° – 104°F (0° – 40°C)

Storage Temperature: -67° – 158°F (-55° – 70°C)

Humidity: 90% non-condensing

Dimensions

5.06 x 1.38 x 9.16 in (HxWxD)

129 x 35 x 233mm

Weight

12.5oz (0.32kg)