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HONEYWELL SECURITY TECHNICAL BULLETIN
11 December 2008
www.asia.security.honeywell.com Rev 1.0
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Hardware Configuration
•
Connect CPU RS422 Master Port to Slave Port of HVBPIT44.
•
Connect Master Port of HVBPIT44 to HNDR-S Com 2 (RS-485).
Pin Number
CPU RS422 Master Port
(DB9 Female)
HVBPIT44 Slave Port
(DB9 Female)
1 Tx-
Rx-
2 Tx+
Rx+
3 Rx+
Tx+
4 Rx-
Tx-
5
Signal Gnd
Signal Gnd
6 +12V
12V
input
7 NC
NC
8 NC
NC
9 Ground Ground
Pin Number
HVBPIT44 Master Port
(DB9 Female)
HRHD-S Com 2
1 Tx-
Tx
2 Tx+
Rx