66 en AppendixVIP XD
8.5 | Serial Interface |
| Options for using the serial interface include transferring transparent data, controlling |
| connected units or operating the unit with a terminal program. |
| The serial interface supports the |
| used depends on the current configuration (see Section 5.17 COM1, page 43). Connection is |
| via the terminal block. |
8.6 | Terminal Block | |
| The terminal block has several contacts for: | |
| – | 4 alarm inputs |
| – | 1 relay output |
| – | Serial data transmission |
Pin Assignment
The pin assignment of the serial interface depends on the interface mode used (see
Section 5.17 COM1, page 43).
Contact |
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CTS | CTS (clear to send) | RxD- (receive data minus) | Data- |
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RTS | RTS (ready to send) | TxD- (transmit data minus) |
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RXD | RxD (receive data) | RxD+ (receive data plus) | Data+ |
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TXD | TxD (transmit data) | TxD+ (transmit data plus) |
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GND | GND (ground) | — | — |
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Contact | Function |
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IN1 | Input alarm 1 |
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IN2 | Input alarm 2 |
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IN3 | Input alarm 3 |
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IN4 | Input alarm 4 |
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GND | Ground |
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R | Relay Output |
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+ | 12 to 24 V DC (power supply) |
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– | Ground |
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Connect each alarm input to a ground contact (GND) when connecting alarm inputs.
DOC V4.0 2009.06 | Installation and Operating Manual | Bosch Security Systems |