28 en SpecificationsControl Panel
| SDI Bus | 9 VDC 15000 (4572 m) maximum | ||
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SDI2 Bus | SDI2 Bus A+; | 12 VDC nominal 7500 ft (2286 m) maximum3 | ||
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| SDI2 Bus | 12 VDC nominal (7500 ft) (2286 m) maximum3 | ||
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Telephone | Connection: | RJ31X or RJ38X jack can connect the control panels. | ||
Connections |
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Two telco | Bosch Security Systems, Inc. D928 Dual Phone Line | |||
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| lines: | Module required for two phone line service. Supervision | ||
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| supplied by the control panel. | ||
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3See SDI2 Bus Wiring Recommendations for more details | ||||
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Battery | Discharge | 13.9 VDC | Charging float level. | |
Discharge/ | Cycle: |
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13.8 VDC | Charging status LED on. | |||
Recharge |
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| 12.1 VDC | Low Battery Reports if programmed. Low | ||
Schedule |
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| Battery LED on. | |
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| 10.2 VDC | Minimum operational voltage. | |
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| 10.0 VDC | Battery load shed. | |
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| Recharge | AC ON | Load shed relay resets, battery charging | |
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| begins, Battery Trouble and AC Restoral | |
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| Reports sent. | |
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| 13.7 VDC | Battery Restoral Report sent, Low Battery | |
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| LED off. | |
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| 13.9 VDC | Charging status LED off, battery float | |
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| charged. | |
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Environmental | Temperature: | +32ﾟF to +120ﾟF (0ﾟC to +49ﾟC) | ||
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| Relative | Maximum 93% | ||
| Humidity: |
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Arming Stations | B920/B930 Keypads,D1255/D1255B/D1255RB Keypads, D1256RB Fire | |||
| Command Centers; D1257RB Fire Alarm Annunciators; D1260/D1260B | |||
| Keypads; Keyswitch; Keyfobs |
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Point | Open | Greater than 3.7 VDC, but less than 5.0 | ||
Thresholds | Points 1 to 8 |
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| Normal | Greater than 2.0 VDC, but less than 3.0 | |
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| Short | Greater than 0.0 VDC, but less than 1.3 | |
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Compatible | D8103 Universal Enclosure, D8109 Fire Enclosure, D8108A Attack | |||
Enclosures | Resistant Enclosure, | |||
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2See SDI2 Bus Wiring Recommendations for more details
2012.12 02 F.01U.265.462 | UL Installation Instructions | Bosch Security Systens, Inc. |
