Bosch NBN-498-11P Operation Manual - Page 29
Alarm and relay connector - - 28 v
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Dinion2X IP Camera 5.3 Alarm and relay connector Installation | en 29 Alarm 1 4 2 5 3 6 5 mm (0.2 in) Figure 5.3 Alarm and relay connector pins Pin Alarm socket 1 Alarm in 1 2 Alarm in 2 3 Relay out contact 1 4 Ground 5 Ground 6 Relay out contact 2 - Max. wire diameter AWG 22-28 for both stranded and solid; cut back 5 mm (0.2 in) of insulation. - Alarm output relay switching capability: Max voltage 30VAC or +40 VDC. Max 0.5 A continuous, 10 VA. - Alarm in: TTL logic, +5V nominal, +40 VDC max, DC coupled with 22 kOhm pull-up to +3.3 V. - Alarm in: configurable as active low or active high. - Max. 42 V allowed between camera ground and each of the relay pins. Use the alarm input to connect external alarm devices such as door contacts or sensors. A zero potential make-contact or switch can be used as the actuator (use a bounce-free contact system). Use the alarm relay output for switching external devices such as lamps or sirens. Bosch Security Systems Installation and Operation Manual AR18-10-B006 | v1.1 | 2010.06