AMX AXC-232 RS-232422485 INTERFACE CARD Manual do Utilizador descarregar pdf (Página 2)

Page 2

RS-232/422 Interface

1994

AMX Corporation, 11995 Forestgate Drive, Dallas, Texas 75243 800/952-6995 FAX 972/907-2053

All trademarks contained in this document are the property of their respective owners.

INSTALL

The AXB-232+ is configured for RS-232/RS-422. To configure the unit for 100 Ohm line input

termination for RS-422 or RS-485, refer to Internal, Jumpers and follow the instructions. When

you have properly configured the unit, complete the following steps:

1. Set the device number on the DEVICE DIP switch. (See Front Panel.)

2. Set the stop bits, data bits, parity, and baud rate on the RS232/422 DIP switch.

3. Connect the AXlink wiring to the connector on the AXB-232+. (See Rear Panel.)

4. Connect the power wiring to the connector on the AXB-232+. (See Rear Panel, Connectors .)

5. Connect the RS-232, RS422, or RS-485 wiring to the AXB-232+.

6. Connect the AXlink connector to the AXB-232+.

Rack Mount

(Optional)

To rack mount the AXB-232+ in the optional AC-RK, follow these steps:

1. Disconnect the AXlink and RS-232 connectors.

2. Unscrew and remove the two screws on the front panel of the AXB-232+.

3. Remove the front panel and the space bracket behind the panel.

4. Place the unit in the appropriate opening in the AC-RK.

5. Place the front panel of the AXB-232+ on the front of the rack, over the unit.

6. Fasten the front panel to the rack and to the unit with the two screws you removed.

INTERNAL

Jumpers

CAUTION: Static electricity can damage electronic components. Before opening the device,

discharge any accumulated static electricity from your body by touching a grounded metal

object.

To configure the unit for RS-422/100 Ohm or RS-485 use, follow these steps:

1. Disconnect the AXlink and RS-232/422/485 connectors.

2. Unscrew the two screws on the rear panel, and remove the panel.

3. Slide the circuit board out of the enclosure.

4. Locate the appropriate jumper, E1 or E2, on the right of the circuit board.

• E1: To set RS-422 port for RS-485 use, set jumper E1 to ON. The

default setting is OFF.

• E2: To terminate RS-422 input with 100 Ohms, set jumper E2 to

ON. The default setting is OFF.

5. Remove the jumper from the OFF staking pins, and position it on the ON staking pins.

6. Slide the circuit board back into the enclosure.

7. Replace the panel, and refasten the screws.

8. Reconnect the AXlink and RS-232/422/485 connectors.

OFF

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