Digi TransPort WR21 Handbook
3g/4g lte cellular routers
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Also See for TransPort WR21:
- Installation, operation and maintenance manual (48 pages) ,
- Installation manual (24 pages) ,
- Quick start manual (2 pages)
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Table of Contents
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Summary of Contents for Digi TransPort WR21
- Page 1 Meter Engineers Handbook for Cellular Communication...
- Page 2 LTE cellular routers, as well as information on installation, cabling and antennas. Special thanks are due to Digi customers in meter shops across the world. Thank you for sharing what you’ve learned as you have used Digi product in the field.
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Page 3: Table Of Contents
Meter Types) ................5 3.3 Connecting the Digi TransPort (WR21 Model Only) to Serial Meters ......6 3.4 Connecting the Digi TransPort WR21 to RS-485 Meters . -
Page 4: Cellular Communications For Commercial And Industrial Metering
Offers the high security features required by NERC/CIP • Digi TransPort® routers fit the bill. They are secure (dynamic routing, VPN and firewall support), carrier-agile (supporting Sprint, Verizon and AT&T on one platform) and flexible (with Ethernet, RS232/485, GPS, USB and analog/digital IO). -
Page 5: Initial Setup And Configuration For Digi Transport® Wr21, Wr41 And Wr44
– In the URL window type 192 .168 .1 .1. The default configuration of the Digi TransPort has the DHCP turned on so the laptop will be given an IP address automatically. The built in WebUI of the router should now be displayed (see section 1.2 for common problems if you aren’t able to connect). -
Page 6: Connecting The Digi Transport To Common Electric Meters
– You may need to release your old IP address in order to acquire a new one from the Digi TransPort. On a Microsoft Windows system you can do this by going to the command line (Start->Run->cmd) and entering ipconfig /release followed by ipconfig /renew. -
Page 7: Connecting The Digi Transport (Wr21 Model Only) To Serial Meters
– The serial port needs to be set up as a ‘Port’ the Digi TransPort WR21 can forward too. To do this go here in the Digi TransPort WR21 WebUI: Configuration-Network>Network Services. In the ASY 0 Listening Port: window type in the port you want to use. - Page 8 – Now redirect incoming communications to this port by using the port forwarding rules. Go here in the WebUI: Configuration-Network>IP Routing/Forwarding>IP Port Forwarding/Static NAT Mappings. Add the rule to forward to the serial port as below. – Ensure that NAT’ing is applied on both IP address and Port by going here: Configuration- Network>Interfaces>Advanced>PPP 0.
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Page 9: Connecting The Digi Transport Wr21 To Rs-485 Meters
Digi TransPort WR21 see below in section 4. – The DB9 of the Digi TransPort WR21 is software selectable for either RS-232 or RS-485. To configure it for RS- 485 communication, go here in the WebUI: Configuration-Network>Interfaces>Serial>Serial Port 0. Drop the Advanced tab down and in the Async Mode: box select RS-485. - Page 10 Terminating resistors are only needed at the last meter if multiple meters are connected. A non-terminating resistor is needed at the Digi TransPort WR21. MODBUS Cable Connector Wiring Modbus Communications Option document . GEH-7282. Pgs. 43, 46 Meter Engineers Handbook for Cellular Communication...
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Page 11: Elster A3 Meters
Elster A3 Meters Requires optional RS-485 communications board. RJ-11 Connections Black Receive - Receive + Green Transmit + Yellow Transmit - Modbus Communications Option document . IL42-4009D. Pgs. 2, 3 Meter Engineers Handbook for Cellular Communication... -
Page 12: Landis And Gyr Maxsys Elite Meters
Cable Pinouts to Connect Elster A3 Meters to the Digi TransPort WR21 RS-485 Serial Port Digi TransPort WR21 Cable to Elster A3 Meters R+ (out) Black R- (out) Green T- (in) Yellow T+ (in) WR21 A3 Meter DB9 (Male) RJ11 (6-Pin Female) -
Page 13: Schneider Square D Ion8650 Meters
Schneider Square D ION8650 Meters The following illustration shows the connection to the communications card. Back view of ION8650 Communications wiring on breakout panel Communications wiring on switchboard IRIG-B GPS Time Modem on Serial COMs and Synchronization. Ethernet 10/100Base-T: Expanded I/O: Molex COM2: RJ45 connector. - Page 14 PowerLogic ION8650 – Energy and power quality meter User guide. Pg. 93 Cable Pinouts to Connect Schneider ION8650 Meters to Digi TransPort WR21 Digi TransPort WR21 Cable to ION8650 Meters ( RS-485 Half-Duplex ) Connect wires from WR21 together Black Wire = Data -...
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Page 15: Abb/Elster Alpha Power Plus Meters
Requires the optional RS-485 board. Half Duplex (two wire) RS-485 only. 120 ohm termination resistor is not required at the Digi TransPort WR21 end of the cable. The Digi TransPort WR21 has an internal termination resistor that is software selectable. It is necessary at the meter end. -
Page 16: Shark Meters
Digi TransPort WR21 Cable to JEMStar AMETEK Meters Use pins if equiped with terminal block, otherwise use free hanging wires Connect wires from WR21 together White/Green/Blue Wire = Data - Connect wires from WR21 together White/Red/Blue Wire = Data +... -
Page 17: Shark Meters
Shark 200 and 200T . Installation and Operation Manual. V1.14. Pg. 5-3 Hooking up multiple Shark meters to a single Digi TransPort WR21. Terminating resistors are only necessary on the last Shark meter. No terminating resistor is needed at the Digi TransPort WR21. -
Page 18: Mounting And Power Options For Various Digi Transport
If the enclosure you are using is RF transparent (plastic) you may be able to use the antennas that come with the Digi TransPort. It really depends on how close you are to the carrier towers. It’s important that the antennas be at least 4 or 5 inches (more is better) from any metal object. -
Page 19: Evaluating Your Signal
Evaluating Your Signal In 2G and 3G networks, signal strength was best understood using the received signal strength indicator (RSSI), measured in dBm. That value alone only provides a measure of the total signal including noise, and, of course, noise degrades the performance of a cellular connection. For example, a cellular router installed in an electric substation may pick up a strong cellular signal –... -
Page 20: Digi Transport Model-Specific Mounting Instructions
Digi TransPort Model-Specific Mounting Instructions If you expect to mount the Digi TransPort router inside your own enclosure, or inside the meter cabinet itself, then use the mounting options described on the following pages. Meter Engineers Handbook for Cellular Communication... -
Page 21: Digi Transport Wr21
Digi also has a SIM cover (part number 76000787) that prevents anyone from removing the SIM card. Dimensions of the Digi TransPort WR21 are 100mm x 131mm x 32mm (L x W x H). Note that you should choose an... -
Page 22: Digi Transport Wr41
Digi TransPort WR41 Two screws are on the bottom to mount the Digi TransPort WR41. These are the screws that hold the top of the case to the bottom. These screws need to be removed and the holes can then be used for mounting. Digi also has a bracket (Part number 76000775, same as the one for the Digi TransPort WR21 above) that fits over the WR41 and has ‘ears’... -
Page 23: Digi Transport Wr44
Digi TransPort WR44 Two screws are on the bottom to mount the Digi TransPort WR44. These are the screws that hold the top of the case to the bottom. These screws need to be removed and the holes can then be used for mounting. Digi also has a bracket (part number 76000778) that fits over the Digi TransPort WR44 and has “ears”... -
Page 24: Product Descriptions And Part Numbers
PRODUCT DESCRIPTIONS AND PART NUMBERS* Digi TransPort ® 3G/4G LTE Cellular Routers ( Sample list ) Product Description Part Number Digi TransPort WR21 4G LTE, 2 Ethernet, 1 DB-9 RS-232/422/485, Enterprise VPN, WR21-L52A-DE1-TH Extended Temp AC Power Supply Digi TransPort WR41... - Page 25 RJ45 to DB25 Male, 6’ 76000857 RJ45 to DB25 Female, 6’ Wall-Mount, Compatibility: Digi Connect® WAN Routers DC-BKT-CWAN Mounting 76000775 Wall-Mount, Compatibility: Digi TransPort WR41 and WR21 Bracket 76000840 1U Rack-Mount Shelf Other 76000787 SIM Card Cover Meter Engineers Handbook for Cellular Communication...
- Page 26 11001 Bren Road East Minnetonka, MN 55343 Digi International - Germany +49-89-540-428-0 Digi International - Japan +81-3-5428-0261 Digi International - Singapore +65-6213-5380 Digi International - China +86-21-5049-2199 /digi .international @DigiDotCom /digi-international © Copyright 2017 Digi International Inc. All rights reserved. 17 91002986...
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