
714-715 Installation Guide Digital Monitoring Products
3
LX-Bus Addressing
When connecting to the LX-Bus, the rotary switch settings on the expanders must match the second two digits of the
rst panel zone being used. The next 15 zone addresses are automatically used to communicate the status of the
expander zones 2 through 16.
For example, if you set the TENS switch to 3 and the ONES switch to 2, the sixteen zones on the expander respond as
panel zones 532 to 547. When connected to LX-Bus 2, the zones respond as 632 to 647.
Note: The LX-Bus provides zones 500 through 599, 600 through 699, 700 through 799, 800 through 899 and 900
through 999 on XR500 Series or XR350/XR550 Series panels. On XR100 and XR150 panels the LX-Bus provides zones
500 through 599. When addressing the module, use an address that provides the proper number of zones. For
example, if you set the switch address on the module to 99, you can only use one zone as shown in Table 3 below.
Start
Address
Panel LX-Bus Numbers and their corresponding Zone Numbers
Switch
Tens Ones
XR100
and
XR150
Series
XR500 and XR550 Series
(LX500 - LX900)
XR350 Series (LX500 - LX700)
1(LX500) 1(LX500) 2(LX600) 3(LX700) 4(LX800) 5(LX900)
0 0 500 500 600 700 800 900
0 1 501 501 601 701 801 901
0 2 502 502 602 702 802 902
0 3 503 503 603 703 803 903
0 4 504 504 604 704 804 904
... ... ... ... ... ... ... ...
9 5 595 595 695 795 895 995
9 6 596 596 696 796 896 996
9 7 597 597 697 797 897 997
9 8 598 598 698 798 898 998
9 9 599 599 699 799 899 999
Table 3: LX-Bus Zone Numbers
Wiring
Each zone expander can connect to a panel keypad bus. Also, the zone expander can connect to an XR100/XR500 or
XR150/XR350/XR550 Series panel LX-Bus. On an XR100/XR500 Series, the zone expander can connect directly to the
LX-Bus Connector (J22) on the panel or use an LX-Bus Interface card such as a 481 or 463C, as shown in Figure 1. All
circuits are power limited.
On an XR150/XR350/XR550 Series: connect the zone expander directly to the LX500 - LX900 connectors on the panel.
Note: 481, 463C, 462P, and 462N LX-Bus Interface Cards are not for use with XR150/XR350/XR550 Series panels.
Wiring the 715-8/16 Module
For the 715-8/16 module, connect the Red wire to the panel Smoke power terminal. This allows Sensor Reset
to drop power to the module and devices connected to its zones. Alternately, connect Red to a regulated, power
limited power supply listed for Fire Protective Signaling through a Model 716 relay. Use the Sensor Reset Output
programming to drop power to the 715-8/16 Module.
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