
Bosch Security Systems, Inc.
User Manual
F.01U.193.295
Rev. 05
APPENDIX A
Access and Configuration
Internal Access
1. Remove six screws from the back cover.
2. Remove the top cover.
This provides access to all internal adjustments.
3. For option card installation, slide the circuit board out toward the back to remove it from the bottom cover.
AUX
J4B
J3B
J2B
J1B
J1A
J2A
J3A
J4A
AUX
4 WIRE SYSTEM 4 WIRE SYSTEM
2 WIRE SYSTEM
Telex Communications, Inc., Made in U.S.A.
RTN
+5V
RTN
+15V -15V
-15V 0.3A
+15V 1.6A
+5V 3A
J5 POWER
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