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NetAXS™ NX4S1 Installation
System Configuration
5.10 M-56K Dial-up Modem, RS-485 Connection via Hub
Thirty-one NetAXS™ Access Controller panels for each drop line. It has not been reviewed by UL.
Figure 26: M-56K Dial-up Modem, RS-485 Connection via Hub
COM Port
M-56K
FAX/MODEM
M-56K
FAX/MODEM
Straight Through Cable
NetAXS
Panel
NetAXS
Panel
EG
EG
EG
EG
DIP Switch Settings
S1: ON
S2: ON
S3: ON
S4: ON
S5: ON
S6: ON (Ack/Nak ON)
S7: ON
S8: OFF (19,200 Baud Rate)
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
Analog
Phone
Line
Dedicated
analog
phone
line
recommended
Remote DIP Switch Settings
(1, 3, 8 ON) (2, 4, 5, 6, 7 OFF)
Remote DIP Switch Settings
(1, 3, 8 ON) (2, 4, 5, 6, 7 OFF)
RS-232 (50 ft.)
RS-485 (4,000 ft.)
See RS-485
Cable Note
DB 9 / DB 25 Connectors
Female
Male
1
13
14
25
1
13
14
25
1
5
6
9
1
5
6
9
Female 9 Pin
Male 25 Pin
(RX) 2
3 (RX)
(TX) 3
2 (TX)
(Comm) 5
7 (Comm)
N-485-HUB-2
Refer to 485-
PCI-2 /NetAXS
Panel
Connection
Detail diagram
Only Earth Ground (EG)
one side of cable
RS-485 Cable
NetAXS Panels
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)
Terminal