Rs-485 Short Haul Modem Connection Via Pci-2; Figure 25: Rs-485 Short Haul Modem Connection Via Pci-2 - Honeywell NetAXS NX4L1 Installation Manual

5.7 RS-485 Short Haul Modem Connection via PCI-2

This connection supports 31 NetAXS Access Controller panels for each drop line. It has not been
approved by UL.

Figure 25: RS-485 Short Haul Modem Connection via PCI-2

DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36: CLOSED
J37: CLOSED
EG
DIP Switch Settings
S1: ON
S2: ON
S3: ON
S4: ON
S5: ON
S6: OFF (Ack/Nak Enable)
S7: ON
S8: OFF )19,200 Baud Rate)
NetAXS™ NX4L1 Access Control Unit Installation Guide, Document 7-901099V3
Terminal
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)
DIP Switch Settings
S1-S5 Panel Address
S6: OFF
J36: OPEN
J37: OPEN
NetAXS
NetAXS
Panel
Panel
EG
Only Earth Ground (EG)
one side of cable
EG
It is recommended to Earth Ground (EG) each
NetAXS enclosure individually
N-485-PCI-2
RS-232, 50 ft. max.
SHM-B-ASYNCH
Short Haul Modem
5279.9 ft.
See RS-485
cable note
EG
SHM-B-ASYNCH
Short Haul Modem
(RS-232 50 ft. max.)
Male 9 Pin Male 25 Pin
Refer to 485-PCI/NetAXS Panel
Connection Detail diagram
NetAXS™ NX4L1 Installation Guide
System Configuration
RS232 Cable MODEM
PC DTE DCE
(DB-9) (Straight) (Null)
2 TX 2 (TX) 2 (RX)
3 RX 3 (RX) or 3 (TX)
5 Comm 7 (GND) 7 (GND)
DN
DIS
RTSIDTR
CONTROL
(S2 Loopback)
(S2 Loopback)
RTSIDTR
CONTROL
DN
DIS
(J1 RS-232 Connector)
RS232 Cable MODEM
PC DTE DCE
(DB-9) (Straight) (Null)
2 TX 2 (TX) 2 (RX)
3 RX 3 (RX) or 3 (TX)
5 Comm 7 (GND) 7 (GND)
49