FOCUS 200 PLUS Installation and Setup Guide
11-2
Physical Description of the Printer Interface Unit
The printer interface unit consists of a printed wiring board that is installed in a separately ordered
housing unit. The following are important items on the board (see Figure 11-1):
Part
Purpose
Terminal Strip TB1
Used for making connections to the separately ordered 12VAC
transformer.
Terminal Strip TB2
Used for connecting to the RS-485 bus.
Printer Header J2
(RS232 Port)
Used for connecting the printer to the printer interface unit.
RS232 Printer LEDs
Indicates the unit’s communication status to the printer as follows:
•
TXD LED - on steady when data is being transmitted to the printer.
•
BUSY LED - on steady when the printer is busy.
Jumpers E2 through E9
Used for setting the communication address on the RS-485 bus.
Terminating jumper E1
Insert only if the printer interface unit is located at one end of the RS-485
bus.
RS-485 bus LEDs
Indicates the unit’s communication status to the control unit as follows:
•
TXD LED - flashing when the printer interface unit is transmitting.
•
RXD LED - flashing when the printer interface unit is receiving.
Tamper
Space is provided for adding a tamper switch, which must be ordered
separately as a 248116 Tamper Kit.
(See Note 4)
J2
JUMPER E1
(REMOVE JUMPER TO DISCONNECT
TERMINATING RESISTOR)
PRINTER
HEADER
RS232 (J2)
12VAC INPUT
(TB1)
TB1
RS485
RS-485 USER BUS LEDs
TXD (YEL) RXD (RED)
USER BUS
ADDRESS
JUMPERS
(SEE DETAIL A)
TB2
GND
+ 12V
COM
COM +
1
3
2
4
RS232 OUT
E2
E3
E4
E5
E6
E7
E8
E9
RS-485 USER BUS LEDs
CONNECTIONS (TB2)
NOTES:
1. RS-485 USER BUS LEDs:
(A) TXD (YEL) FLASHES WHEN PRINTER
INTERFACE IS TRANSMITTING.
(B) RXD (RED) FLASHES WHEN PRINTER
INTERFACE IS RECEIVING.
2. RS232 PRINTER LEDS:
(A) RXD (RED) GOES ON WHEN PRINTER IS BUSY.
(B) TXD (YEL) GOES ON WHEN DATA BEING
TRANSMITTED TO PRINTER.
3. USER BUS JUMPERS SHOWN ADDRESSED FOR
COMMUNICATION GROUP '2', UNIT '0'.
4. A 248116 TAMPER KIT MAY BE ORDERED
SEPARATELY; CONSISTS OF TAMPER SWITCH
PLUS MOUNTING HARDWARE.
SHOWN PROGRAMMED FOR
COMMUNICATION GROUP '2', UNIT '0'
(E6 REMOVED)
ON EACH ADDITIONAL PRINTER
INTERFACE BEING USED, REMOVE E2,
E3, E4 AND E6 (GROUP '2', UNIT '7')
E2
E3
E4
E5
E6
E7
E8
E9
LSB
(LEAST SIGNIFICANT BIT)
UNIT NO.
COMMUNICATION
GROUP NO. 3
LSB
(LEAST SIGNIFICANT BIT)
USER BUS ADDRESS
JUMPERS
E1
1
2
+12VAC
RS485 IN
TXD RXD
SHIELD
SHIELD
1
2
3
4
RS232
RS-232 PRINTER LEDs
BUSY (RED) TXD (YEL)
BUSY TXD
GND
BUSY
RXD
TXD
Figure 11-1: Printer Interface Unit
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Страница 216: ...9 3l K3471V2 1 00 ADT Security Services Inc One Town Center Road Boca Raton FL 33486 Copyright 1999...