NS2 Configuration Guide
Honeywell Access Systems
12
7-101004-01
Lease Line Modem Connection
Thirty-one NS2 panels for each drop line.
NStar Server
M-9600-LA
Straight Thru Cable (9-25 Pin)
M-9600-LO
Lease
Line
Phone
Line
RS-485 (4,000 Ft.)
N-485-PCI-2
RS-232 (50 Ft.)
Female
Male
DB 9 / DB 25 Connectors
Refer to
485-PCI /
NS2 Panel
Connection
Detail
diagram.
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)
NS2
Panel
NS2
Panel
Only Earth Ground (EG)
one side of cable.
EG
EG
EG
EG
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)
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)
It is recommended to earth ground (EG) each
NS2 enclosure individually.
Female 9 Pin Male 25 Pin
(TX) 3 2 (TX)
(Comm) 5 7 (Comm)
(RX) 2 3 (RX)
RS-232 (50 Ft.)
COM Port
Null Modem Cable Cable (9-25 Pin)
Male 9 Pin Female 25 Pin
(TX) 3 3 (RX)
(Comm) 5 7 (Comm)
(RX) 2 2 (TX)
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.