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CA10A Call Switch
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
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 illumi-
nated 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.
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CALL SWITCHES Models CA10A & CA11A
Figure 1 - Model CA10A Connecting Diagram
Figure 2 - Model CA11A Connecting Diagram
50 Spring Street, Ramsey, NJ 07446 U.S.A.
201-934-8500; FAX: 201-934-9832
www.bogen.com
Printed in U.S.A. 0011
© 2000 Bogen Communications, Inc.
54-5972-01R2 0011
Specifications subject to change without notice.