Regency 4720 - Page 23

Regency
®
Model 4720 Control/Communicator Installation Manual (P/N 150476, Rev. A) Revised 10/98
13
Be sure to maintain a physical separation of at least one-half inch between the field wires and any
expansion device connection points. This will prevent transient damage to the connection points.
* Model 4110 Zone Expander (SmartSensor)
* Model 4115 Zone Expander (SmartSensor)
* Model 4125 Zone Expander (Hardwired)
* Model 4130 Zone Expander (RF)
Model 4140 Intercom
Model 4150 Relay Module
Model 5520 Programmer
Model 5260 Printer Interface or Model 5255 On-Site Printer (discontinued)
* Note: If a combination of these models are used, they must be given unique addresses. This will be explained in
the installation section of this manual (Section 12).
Connector Pin Descriptions
P1: 4660B/C/R Touchpad Quick-Connect
(Troubleshooting)
1
GND (circuit ground)
2
+12 V (LED 2 or Fuse F2)
3
/SERIAL OUT
4
/SERIAL IN
P2: 4180 Status Relay Module
1
GND
2
+12 V (LED 3 or Fuse F2)
3
LATCH ENABLE PULSE
OUT
4
SERIAL CLOCK OUT
5
SERIAL DATA OUT
P3 and P4: XBUS (Expansion Devices)
1
GND
7
/HS OUT
2
+12 V
8
XD0
3
/DEVICE RESET
OUT
9
XD1
4
XA0 OUT
10
XD2
5
XA1 OUT
11
XD3
6
XA2 OUT
12
/HS IN
P5: 4175 Dual Line Monitor Module
1
GND
2
+12 V (current limited)
3
/MONITOR SAMPLE PULSE
OUT
4
/LINE2 OUT
5
/RINGING IN
6
/MONITOR2 IN
7
/MONITOR1 IN
8
EARTH GND
9
TIP1
10
RING1
11
SWITCHED TIP1
12
SWITCHED RING1