Figure 21: Rs-485 Connection Via Pci-2 With Multidrop Panels At Both Ends - Honeywell NetAXS NX4L1 Installation Manual

Figure 21: RS-485 Connection via PCI-2 with Multidrop Panels at Both Ends

Host
RS485
Red
Black
RS-485 COM
4,000 ft. (1,200 m) max, 24 AWG, 2 twisted pairs with
shield, 120 ohm, 23 pf (HAS part no. NCP2441-TN)
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36 CLOSED
J37 CLOSED
EG
NetAXS™ NX4L1 Access Control Unit Installation Guide, Document 7-901099V3
RS-232 (50 ft. max.)
COM Port
RS-485 Cable
NetAXS Panels
TB7-1 (RS485+)
TB7-2 (RS485-)
TB7-3 (RS485 COM)
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36 OPEN
J37 OPEN
NetAXS NetAXS
Panel Panel
EG
Only Earth Ground (EG) h G d (EG)
one side of cable
EG
It is recommended to Earth Ground (EG) each NetAXS enclosure individually
RS-485 (4,000 ft.)
N-485-PCI-
Refer to N-485-PCI-2/NetAXS
Access Controller Panel
Connection Detail diagram
DIP Switch Settings
S1: ON
S2: ON
S3: ON
S4: ON
S5: ON
S6: ON (Ack/Nak Enable)
S7: ON
S8: OFF (19,200 Baud
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36 CLOSED
J37 CLOSED
NetAXS
Panel
EG
EG
NetAXS™ NX4L1 Installation Guide
System Configuration
See
RS-485
Cable
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36 OPEN
J37 OPEN
NetAXS
Panel
EG
Only Earth Ground (EG) h G d (EG)
one side of cable
EG
EG
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