Simplex 4020 Troubleshooting Guide

2-6
Figure 2-3. 565-325 Master Controller PCB Assembly
Table 2-2 describes the I/O connectors on the Master Controller PCB Assembly
(refer to Figure 2-2 for the location of these connectors).
Table 2-2. 565-325 Master Controller PCB Assembly I/O Connectors
Label Description
TB1 External Comm, City Circuit, Trouble Circuit
SW1 Reset Switch
JW1 – JW2 Selects U18 size
•
JW
1-
OUT
, JW2-
OUT
: 2 Meg
•
JW
1-
OUT
, JW2-
IN
: 4 Meg
P1 Keypad connector
P2 Power / Comm Connector to Slave
P3 CFIG Download Programmer Port
P4 City Circuit Jumpers
P5 CFIG Flash Programming Jumper
• Enable Flash Programming – 1-2
• Disable Flash Programming – 2-3
P6 Carrier Detect TXD Enable (1-2 Normal, 2-3 Modem)
P7 RAM Battery Jumper (normally 1-2)
Continued on next page
4020 Master Controller,
Continued
Master Controller PCB Layout
Master Controller PCB
Assembly I/O Connectors
P1
P6
P4
TB1
P3
P5
JW2
P7
JW1
P2
SW1
U8 CFIG
(Note Orientation)

Simplex 4020 Specifications

General

Type	Fire Alarm Control Panel
Manufacturer	Simplex
Model	4020
Display	LCD
Frequency	50/60 Hz
Battery Backup	Yes
NAC Outputs	4
Power	120/240 VAC
Voltage	120/240 VAC
Operating Temperature	0°C to 49°C (32°F to 120°F)
Humidity Range	Up to 93% RH, non-condensing
Communication Protocol	Optional