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Rs-485 Connection - Honeywell NSEK Configuration Manual

Configuration guide
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NS2 Configuration Guide

RS-485 Connection

Thirty-one NS2 panels for each drop line.
NStar Server
RS-485
NS2 Panel
Red/White
TB9-1 (RS485+)
Black/Green
TB9-2 (RS485-)
RS-485 COM
TB9-3 (RS485 COM)
4,000 ft. (1,200 m) max, 24 AWG, 2 twisted pairs with
shield, 120 ohm, 23 pf (NCI part no. NCP2441-TN)
8
COM Port
RS-485 Cable
NS2 Panel
TB9-1 (RS485+)
TB9-2 (RS485-)
TB9-3 (RS485 COM)
EG
RS-232 (50 Ft. Max.)
N-485-PCI-2
DIP Switch Settings
S1: ON
S2: ON
S3: ON
S4: ON
S5: ON
S6: OFF (Ack/Nak on)
S7: ON
S8: OFF (19,200 Baud Rate)
DIP Switch Settings
S1-S5: Panel Address
S6: ON (RS-485 Enable)
S7: N/A (Baud Rate)
S8-S9: OFF (Bias)
S10: ON (485 EOL)
NS2
Panel
EG
Only Earth Ground
one side of cable.
EG
It is recommended to earth ground (EG)
each NS2 enclosure individually.
Honeywell Access Systems
RS-485 (4,000 Ft.)
Refer to 485-PCI / NS2 Panel
Connection
Detail diagram.
DIP Switch Settings
S1-S5: Panel Address
S6: ON (RS-485 Enable)
S7: N/A (Baud Rate)
S8-S9: OFF (Bias)
S10: OFF (485 EOL)
NS2
Panel
See RS-485
Cable note.
EG
7-101004-01

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Ns2