NS2 Configuration Guide
Honeywell Access Systems
8
7-101004-01
RS-485 Connection
Thirty-one NS2 panels for each drop line.
NStar Server
COM Port
RS-232 (50 Ft. Max.)
N-485-PCI-2
RS-485 (4,000 Ft.)
Refer to 485-PCI / NS2 Panel
Connection
Detail diagram.
NS2
Panel
NS2
Panel
Only Earth Ground
one side of cable.
It is recommended to earth ground (EG)
each NS2 enclosure individually.
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)
EG
EG
EG
EG
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)
4,000 ft. (1,200 m) max, 24 AWG, 2 twisted pairs with
shield, 120 ohm, 23 pf (NCI part no. NCP2441-TN)
RS-485
Red/White
Black/Green
RS-485 COM
NS2 Panel
TB9-1 (RS485+)
TB9-2 (RS485-)
TB9-3 (RS485 COM)
NS2 Panel
TB9-1 (RS485+)
TB9-2 (RS485-)
TB9-3 (RS485 COM)
RS-485 Cable
See RS-485
Cable note.
