Bogen Call Switches

CA10A Call Switch

The Model CA10A is a 2-position room switch designed for use with SBA-Series room selector panels. When the switch is pressed, the annunciator lamp on the SBA-Series switchbank illuminates, designating the calling station. When the switch is released, the lamp remains illuminated until the call is answered.

The switch is designed for flush mounting in a standard single-gang outlet box. Refer to Figure 1 below and wire the switch as follows:

1. Connect the unshielded wire from the corresponding annunciator terminal on the room selector panel to the red wire of the CA10A switch.
2. Connect the black wire to the speaker ground (shield of speaker line).

CA11A Call Switch

The Model CA11A is a 3-position switch providing annunciator call and privacy control. The switch has two fixed positions, TALK and PRIVACY. In the TALK position, the remote station has normal, non-private operation. In the PRIVACY position, the remote station cannot be monitored from the main console.

The CA11A also has a momentary PRESS TO CALL position. When the switch is pressed, the annunciator lamp on the SBA-Series room selector panel illuminates, designating the calling station. When the switch is released, the lamp remains illuminated until the call is answered.

The switch is designed for flush mounting in a standard single-gang outlet box. Refer to Figure 2 below and wire the switch as follows:

1. Connect the unshielded wire from the corresponding annunciator terminal on the room selector panel to the red wire of the CA11A switch.
2. Connect the white wire to the center tap of the room speaker line-matching transformer. This connection may be made via the speaker cable shield, as shown in Figure 2.
3. Connect the black wire to the audio system ground at the shield of the audio cable from the console, as shown in Figure 2.

Diagrams

Figure 1 - Model CA10A Connecting Diagram

This diagram illustrates the wiring for the CA10A Call Switch. It shows connections from a room speaker, a Bogen 25V line-matching transformer (Model T725, 1/2-watt tap shown), and to the switchbank. The switch has terminals for 'TO SWITCHBANK' (marked with a red wire and a black wire) and a 'PRESS TO CALL' button. The transformer has connections for speaker (8-ohm sec.) and the line-matching transformer itself.

Figure 2 - Model CA11A Connecting Diagram

This diagram illustrates the wiring for the CA11A Call Switch. It shows connections from a room speaker, a Bogen 25V line-matching transformer (Model T725, 1/2-watt tap shown), and to the switchbank. The switch has terminals for 'TO SWITCHBANK' (marked with a red wire and a black wire), a 'PRIVACY' switch with TALK and PRIVACY positions, and a 'PRESS TO CALL' button. The transformer has connections for speaker (8-ohm sec.) and the line-matching transformer itself. Color-coded wires (BLU, GRN, YEL, ORN, RED, BRN, BLK) are shown connecting to various points.