Rs-232/Rs-422/Rs-485 Connections; Using The Axlink Connector For Data And Power; Using The Axlink Connector For Data With A Separate 12 Vdc Power Supply - AMX AXCENT3 AND AXCENT3 PRO INTEGRATED AXCESS SYSTEM Instruction Manual

Installation

RS-232/RS-422/RS-485 connections

FIG. 4 shows the RS-232/RS-422/RS-485 DB-9 (male) connector pinouts. The table below lists the
connector pins, signal types, and signal functions.
Pin 1
FIG. 4 RS-232/422/485 DB-9 (male) connector pinouts
DB-9 Pinouts
Pin Signal
1 RX-
2 RXD
3 TXD
4 TX+
5 GND
6 RX+
7 RTS
8 CTS
9 TX-

Using the AXlink connector for data and power

Connect the 4-pin AXlink connector to an external AXlink device, as shown in FIG. 5.
PWR+
AXP/TX
AXM/RX
GND-
AXlink/PWR connector
FIG. 5 AXlink/PWR data and power wiring diagram

Using the AXlink connector for data with a separate 12 VDC power supply

Connect the 4-pin AXlink connector to an external AXlink device; connect the 2-pin PWR
connector to the separate 12 VDC power supply as shown in FIG. 6. Make sure to connect only the
PWR+
AXP/TX
AXM/RX
GND-
FIG. 6 AXlink/PWR and optional 12 VDC power supply wiring diagram
6
Pin 9
Wiring and Baud Configurations
Function RS-232
Receive data
Receive data
Transmit data
Transmit data
Signal ground
Receive data
Request to send
Clear to send
Transmit data
The X's show where to terminate the wires on the DB-9 connector.
PWR+
GND-
PWR+
AXP
AXM
GND-
3
Axcent
RS-422 RS-485
X X (strap to pin 9)
X
X
X X (strap to pin 6)
X X
X X (strap to pin 4)
X
X
X X (strap to pin 1)
PWR+
AXP
External AXlink device
AXM
GND-
Local 12 VDC power supply
for ext. AXlink device
External AXlink device
3
Axcent and Axcent
3
Pro Integrated Axcess Controllers