Bose DXA2120 Hardware Description, Rear panel, Audio source inputs, Outputs, Control input, Power

2.0 Hardware Description

2.3 Rear panel

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2.3.1 Audio source inputs

1LINE INPUTS – Two unbalanced RCA audio jacks per input (summed to mono).

2MIC/LINE INPUTS – Balanced Euroblock input jacks. One per input.

3MIC/LINE switch – Adjusts for the proper signal level being used with the four Euroblock input connectors.

(Mic connections require using the Euroblock input jacks.)

4DIRECT INPUT – Balanced override input jack.

5PAGE INPUT – Balanced audio input jack.

2.3.2 Outputs

6AUX OUTPUT – Line-level signal output for other amplified equipment.

7OUTPUTS 1 and 2 – Speaker connections for two powered outputs (70V, 100V, or 4 ohms operation).

2.3.3 Control input

8REMOTE – Input jack for volume-only control and volume control with A/B select user interfaces.

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2.3.4 Power

9BACKUP POWER – For connection to backup power source.

10POWER OFF/ON – AC power switch.

11FUSE – 120V T6.3AL/250V or 220-240V T3.15AL/250V.

12AC mains line cord jack – AC line voltage input.

13120V/220-240V switch – Switches between 120V and

220-240V AC input voltage. This switch is not provided on 100V AC input voltage models.

2.3.5 Communication

14COM – RS-232 serial port is reserved for system updates.

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