| FRONT-PANEL CONTROLS AND CONNECTORS |
Talk/Listen Switches: 12
Function Buttons: 16
Answer Back Switch: 1
Volume Controls: 2
Headset Connector: 1 D4M XLR
Panel Mic Connector: 1 1/4 in. Phone Jack
|
| REAR-PANEL CONNECTORS |
Miscellaneous: DB-15F
To Matrix: RJ-45 & DB-15M
Audio IO (OPT-100): DB-15F
Accessory: DB-9F
DC Power: 5 Pin
|
| PANEL MICROPHONE INPUT |
Type: Electret
Input Level: 40 dBu
Gain Adjustment Range: +/-5dB
Impedance: 200 Ohms
|
| HEADSET MICROPHONE INPUT |
Type: Dynamic
Input Level: -55dBu
Gain Adjustment Range: +/- 5dB
Impedance: 200 Ohms
|
| LOCAL PROGRAM INPUT |
Type: Transformer Isolated
Impedance: 8k Ohms Bridging
Level: 0 dBu will produce full output of speaker when volume control is fully clockwise
|
| HEADPHONE OUTPUTS |
Impedance: 50 to 600 Ohms
Power: 1/2 W into 50 Ohms
|
| SPEAKER AMPLIFIER OUTPUT |
Impedance: 8 Ohms
Power: 2 W
|
| LINE INPUT (2-PAIR LISTEN FROM MATRIX) |
Type: Transformer Balanced
Impedance: 8k Ohms Bridging
Level: 0 dBu nominal
Freq. Resp.: 100 Hz to 15 kHz +/- 2 dB
|
| LINE OUTPUT (2-PAIR TALK TO MATRIX) |
Type: Transformer Balanced
Impedance: 150 Ohms (when talk active)
Level: 0 dBu nominal
Freq. Resp.: 100 Hz to 15 kHz, +/- 2 dB
|
| LOGIC INPUT #1 |
Type: 5 V logic with pull-up resistor
Logic: True = Short to Ground
|
| LOGIC INPUT #2 |
Type: 5 V logic with pull-up resistor
Logic: True = Short to Ground
|
| MUTE RELAY |
Contact Type: 1 pair SPDT (single form C)
Contact Voltage Rating: 24 VDC
Contact Current Rating: 1 Amp continuous, 2 Amps peak at 24 VDC
|
| PANEL RELAY |
Contact Type: 1 pair SPDT (single form C)
Contact Voltage Rating: 24 VDC
Contact Current Rating: 1 Amp continuous, 2 Amps peak at 24 VDC
|
| HEADPHONE OUTPUTS |
Impedance: 50 to 600 Ohms
Power: 1/2 W into 50 Ohms
|
| SPEAKER AMPLIFIER OUTPUT |
Impedance: 8 Ohms
Power: 2 W
|
| LINE INPUT (2-PAIR LISTEN FROM MATRIX) |
Type: Transformer Balanced
Impedance: 8k Ohms Bridging
Level: 0 dBu nominal
Freq. Resp.: 100 Hz to 15 kHz +/- 2 dB
|
| LINE OUTPUT (2-PAIR TALK TO MATRIX) |
Type: Transformer Balanced
Impedance: 150 Ohms (when talk active)
Level: 0 dBu nominal
Freq. Resp.: 100 Hz to 15 kHz, +/- 2 dB
|
| LOGIC INPUT #1 |
Type: 5 V logic with pull-up resistor
Logic: True = Short to Ground
|
| LOGIC INPUT #2 |
Type: 5 V logic with pull-up resistor
Logic: True = Short to Ground
|
| MUTE RELAY |
Contact Type: 1 pair SPDT (single form C)
Contact Voltage Rating: 24 VDC
Contact Current Rating: 1 Amp continuous, 2 Amps peak at 24 VDC
|
| PANEL RELAY |
Contact Type: 1 pair SPDT (single form C)
Contact Voltage Rating: 24 VDC
Contact Current Rating: 1 Amp continuous, 2 Amps peak at 24 VDC
|
