NetAXS™ NX4L1 Installation Guide
System Configuration
NetAXS™ NX4L1 Access Control Unit Installation Guide, Document 7-901099V3 43
5.2 RS-485 Connection via NetAXS
This connection supports thirty-one NetAXS Access Controller panels for each drop line. However,
because UL has approved the NetAXS panel only as a standalone system, the computer terminal and
NetAXS gateway panel appear in this illustration only to show the installation and programming of the
NetAXS panel.
Figure 19: RS-485 Connection via NetAXS
COM Port
NetAXS
Panel
NetAXS
Panel
EGEG
EG
EG
DIP Switch Settings
S1-S5: Panel Address
S6: ON
J36: CLOSED
J37: CLOSED
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36 CLOSED
J37 CLOSED
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36 OPEN
J37 OPEN
It is recommended to Earth Ground (EG)
each NetAXS enclosure individually
RS-485 Cable
NetAXS Panel
TB7-1 (RS485+)
TB7-2 (RS485-)
TB7-3 (RS485 COM)
4,000 ft. (1,200 m) max, 24 AWG, 2 twisted pairs with
shield, 120 ohm, 23 pf (HAS part no. NCP2441-TN)
Refer to NetAXS / NetAXS
Panel Connection Detail
diagram
NetAXS
Getaway
See
RS-485
Cable
Only Earth Ground (EG)
one side of cable
RS-485 (4,000 ft.)RS-232 (50 ft. max.)
Terminal
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