HONEYWELL SECURITY TECHNICAL BULLETIN | 11 December 2008 |
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Hardware Configuration
•Connect CPU RS422 Master Port to Slave Port of HVBPIT44.
•Connect Master Port of HVBPIT44 to
Pin Number | CPU RS422 Master Port | HVBPIT44 Slave Port | |
(DB9 Female) | (DB9 Female) | ||
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1 | Tx- | Rx- | |
2 | Tx+ | Rx+ | |
3 | Rx+ | Tx+ | |
4 | Rx- | Tx- | |
5 | Signal Gnd | Signal Gnd | |
6 | +12V source | +12V input | |
7 | NC | NC | |
8 | NC | NC | |
9 | Ground | Ground |
Pin Number | HVBPIT44 Master Port | ||
(DB9 Female) | |||
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1 | Tx- | Tx | |
2 | Tx+ | Rx |
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