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NC-485X Network Converter
Application Note
1.0
Purpose of this Document
This document discusses how to setup, configure, and use the LAN-520X LAN
Network Converter to provide LAN/WAN Ethernet connectivity between a PXL-500/PXL-510
Master controller and one or more PXL Slave controllers.
This document discusses how to setup, configure, and use the LAN-520X with the NC-485X
Network Converter to provide LAN/WAN Ethernet connectivity between two or more PXL RS-485
network segments. The following topics are covered:
•
Overview
•
LAN-520X with NC-485X Network Converter Setup
•
Using the LAN-520X with Multiple PXL Networks
•
Basic Ethernet Troubleshooting
NOTE: The NC-485X is an updated version of Keri's NC-485 device. If you are using the new NC-
485X with a LAN-520, you must use the updated LAN-520X module. The original NC-485
Network Converter is NOT compatible with the new LAN-520X.
2.0
Overview
The LAN-520X, when used in conjunction with a NC-485X, provides companies the ability to use
their existing LAN/WAN for RS-485 communication between a Master PXL and multiple Slave
PXLs. Since LAN/WAN networks can be global, using the LAN-520X with a NC-485X provides the
ability to have Slave PXLs located throughout the world managed from one central location.
NOTE: If all network segments are not located within the same time zone, the time zone where the
Doors software is located will be used. For example, a site has network segments located in both
the Mountain and Pacific time zones with the Doors software on a computer in the Pacific time
zone. If an Auto Unlock/Lock is set on a controller in the Mountain time zone for 9 am, the
controller will not auto unlock/lock until 9 am Pacific time (the location of the Doors software),
which would then be 10 am Mountain.
The LAN-520X supports two communication channels. Channel 1 is used for RS-232 communication
and Channel 2 is used for RS-485 communication. The RS-232 communication is identical to that of
a LAN-505. The LAN-520X replaces the LAN-505 for serial over Ethernet communication. In order
to provide RS-485 communication over Ethernet, the LAN-520X must be connected to the NC-485X
Network Converter.
The drawing below shows a conceptual PXL network. Each PXL network segment contains one
LAN-520X connected to a NC-485X. The network segment containing the master must have the
LAN-520X/NC-485X connected to the PXL Master. Only one LAN-520X/NC-485X combo can be
1. The LAN-520X may be used with a PXL-500/PXL-510 only.
Page 1 of 13
1
and NC-485
P/N: 01967-001 Rev. C
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Summary of Contents for Keri Systems NC-485X
- Page 1 • Basic Ethernet Troubleshooting NOTE: The NC-485X is an updated version of Keri’s NC-485 device. If you are using the new NC- 485X with a LAN-520, you must use the updated LAN-520X module. The original NC-485 Network Converter is NOT compatible with the new LAN-520X.
- Page 2 Master. It is also possible to connect a PXL network outside of the Local LAN by utilizing a VPN or WAN. Figure 1: Single Site with Multiple Network Segments Setup NC-485X 1. J102 on the NC-485X plugs into the TB-13 LAN connector on the PXL. Figure 2: The NC-485X Network Converter Page 2 of 13 P/N: 01967-001 Rev. C...
- Page 3 2. The 2-conductor lead (J103) connects to the JP-9 connector located at the top right corner of the PXL. 3. Pin 1 of J103 on the NC-485x connects to Pin 1 of JP-9 on the PXL (see Figure 3). Figure 3: Installation of the LAN-520X with NC-485X Network Converter...
- Page 4 NC-485X Network Converter Application Note To use the LAN-520X in a WAN environment, the following rules must be met: • Network Routers must be configured to connect the LAN subnets. • Ports 9999, 10001, and 10002 must be allowed to pass through the router.
- Page 5 (see “Using Multiple PXL Networks on the Same LAN Subnet” on page 9) or instructed to do so by either Keri Systems or Lantronix Technical Support Staff. 7. Press <Enter> until the Connect Mode parameter is displayed. The default for this value is 0C. If all LAN-520X units are within the local subnet, leave the default as is.
- Page 6 NC-485X Network Converter Application Note 9. Press <Enter> until the Hostlist parameter is displayed. The Hostlist parameter is only displayed if the Connect Mode has been set to 2C. This option may be configured for up to 12 remote slave IP addresses on different LAN subnets.
- Page 7 NC-485X Network Converter Application Note 3.2.1.2 Slave Mode Configuration There are a few critical parameters to set via Telnet, all other parameters should be left at their default values. There are two ways to open Telnet, through the Lantronix DeviceInstaller window or by opening a DOS box.
- Page 8 LAN Subnet (see “Using Multiple PXL Networks on the Same LAN Subnet” on page 9) or instructed to do so by either Keri Systems or Lantronix Technical Support Staff. 9. Press <Enter> until the Change Setup menu appears (see Figure 6).
- Page 9 NC-485X Network Converter Application Note Using Multiple PXL Networks on the Same LAN Subnet If two or more PXL Networks using RS-485 over Ethernet exist on the same local subnet, it is recommended that each LAN-520X Master have a different Channel 2 port number.
- Page 10 Contact the system or network administrator to resolve these issues. Troubleshooting the LAN-520X with the NC-485X This troubleshooting section deals with possible problems using the LAN-520X with the NC-485X. If the solutions offered here do not work, be sure to also consult the LAN-520X Installation Guide (p/n 01504-001) or the PXL-500/PXL-510 Quick Start Guide (P/N 01918-001).
- Page 11 NC-485X Network Converter Application Note Cable Connection Status Master Mode Slave Mode LAN Cable Connected • LED 1, 2, 4 Solid • LED 1, 4 Solid • LED 1 Blinking when • LED 2 Blinking Doors is connected LAN Cable Not •...
- Page 12 NC-485X Network Converter Application Note Problem Possible Reason Possible Solution Master PXL is • The J103 lead on the • Verify Pin 1 on the J103 connector lead is unable to Slave’s NC-485X is connected to Pin 1 on JP-9 on the PXL.
- Page 13 Lantronix device list. Update the list by from the Doors v4.40 modifying the ProductInfobase.txt file in the Installation CD. Lantronix\DeviceInstaller\ folder to add the following line: “KR”, “Keri Systems LAN- 520”. • IP address not • IP Address, routing, or subnet mask may be reachable.
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