Digi 5400-RM User manual

Digi 5400-RM
Cellular Remote Manager
User Guide

Revision history 90002393
Revision Date Decription
A April
2020
Initial release the updated Digi 5400-RM Cellular Remote Manager User Guide for
firmware release 20.2:
nWith firmware release 20.2, Active Recovery has been renamed to Digi
SureLinkTM.
nAfter upgrading to firmware release 20.2, if a configuration erase is
performed, the Digi 5400-RM will default to Digi Remote Manager rather
than to aView.
See Important information about upgrading to firmware version 20.2.x for further
information.
Trademarks and copyright
Digi, Digi International, and the Digi logo are trademarks or registered trademarks in the United
States and other countries worldwide. All other trademarks mentioned in this document are the
property of their respective owners.
© 2019 Digi International Inc. All rights reserved.
Disclaimers
Information in this document is subject to change without notice and does not represent a
commitment on the part of Digi International. Digi provides this document “as is,” without warranty of
any kind, expressed or implied, including, but not limited to, the implied warranties of fitness or
merchantability for a particular purpose. Digi may make improvements and/or changes in this manual
or in the product(s) and/or the program(s) described in this manual at any time.
Warranty
To view product warranty information, go to the following website:
www.digi.com/howtobuy/terms
Customer support
Gather support information: Before contacting Digi technical support for help, gather the following
information:
Product name and model
Product serial number (s)
Firmware version
Operating system/browser (if applicable)
Logs (from time of reported issue)
Digi 5400-RM Cellular Remote Manager User Guide 2

Trace (if possible)
Description of issue
Steps to reproduce
Contact Digi technical support: Digi offers multiple technical support plans and service packages.
Contact us at +1 952.912.3444 or visit us at www.digi.com/support.
Feedback
To provide feedback on this document, email your comments to
[e-mail]
Include the document title and part number (Digi 5400-RM Cellular Remote Manager User Guide,
90002393 A) in the subject line of your email.
Digi 5400-RM Cellular Remote Manager User Guide 3

Contents
Welcome
Package contents 7
Exchanging power tips 7
Ports and connectors 8
Device status 8
Signal strength indicators 9
Signal bars explained 9
Initial setup 10
Important information about upgrading to firmware version 20.2.x 11
Device defaults to Digi Remote Manager after configuration erase 11
Default SureLink configuration 13
Physical installation
Default settings 16
Connecting to the site network 16
Connecting the serial ports 17
Serial port pinout and use 17
Configuring the Digi 5400-RM device
Network managed configuration 20
Local configuration 20
Connecting to the Device 20
Manually Configuring PC to Connect to Device 20
Logging into the Digi 5400-RM device 22
Use local configuration to upgrade firmware 22
Use local configuration to define a custom APN 23
Advanced Local Configuration 23
Advanced configuration with aView
Viewing group configurations 25
Use aView to upgrade firmware 25
Use aView to define a custom APN 25
Using remote commands 26
Establishing WAN connectivity via Ethernet port 26
Passthrough/bridge mode 26
Router mode 28
Digi 5400-RM Cellular Remote Manager User Guide 4

Digi 5400-RM Cellular Remote Manager User Guide 5
Terminal on unit 28
Using Terminal on Unit link 30
Local user management 30
Learn more 31
Troubleshooting
Resetting your device 33
Out-of-band SMS commands 33
Support report 33
For firmware version 19.11.x or newer: 34
For firmware version 19.8.x or older: 34
Persistent system logs 34
AT command access 35
Data usage estimates 36
FAQs
Regulatory guide
End user license agreement
Accessing Admin CLI
Using the Terminal on a Unit link 40
Direct ssh access 41
Command breakdown 41

Welcome
Package contents 7
Exchanging power tips 7
Ports and connectors 8
Device status 8
Signal strength indicators 9
Signal bars explained 9
Initial setup 10
Important information about upgrading to firmware version 20.2.x 11
Digi 5400-RM Cellular Remote Manager User Guide 6

Welcome Package contents
Digi 5400-RM Cellular Remote Manager User Guide 7
Package contents
Item Description
Digi 5400-
RM unit
Cellular
antennas
(2x)
Power
supply
Interchange
able power
plug tips
Exchanging power tips
The Digi 5400-RM may include four interchangeable plug tips that allow the Power Supply Unit (PSU)
to operate in most countries. The PSU comes with the United States style plug installed.
To change the plug tip:
1. While holding down the PUSH button, slide the current plug tip forward.
2. Pull off the attached plug tip.

Welcome Ports and connectors
Digi 5400-RM Cellular Remote Manager User Guide 8
3. Slide the new tip down into place until it clicks.
Note For more information regarding power-tip compatibility with global deployments, visit
www.worldstandards.eu/electricity/plugs-and-sockets/.
Ports and connectors
Device status
Name Function
Power Indicates unit is powered up. Hardwired to power input.

Welcome Signal strength indicators
Digi 5400-RM Cellular Remote Manager User Guide 9
Name Function
Online
(Cellular)
Flashing – Unit is attempting to establish a cellular network connection OR the
backup connection is in use.
Solid – A cellular network connection has been established.
LTE Indicates a 4G/ LTE connection.
3G/ 2G Indicates a 2G or 3G cellular connection.
Backup Flashing – Unit is attempting to establish a network connection on the LAN.
Solid – A network connection has been established on the LAN.
Signal
Strength
Standard 5-bar signal strength indication; a minimum of two bars is suggested for
reliable use.
Signal strength indicators
The weighted dBm measurements are negative numbers, meaning the smaller negative values
denote a larger number. So, for example, a -85 is a better signal than -90.
Note For more information regarding how signal strength is calculated and subsequently displayed via
the LED indicators, refer to Signal bars explained.
Signal bars explained
The LTE signal status bars are calculated using various algorithms based on the network type it is
connected to. For 4G LTE, the RSRP, SNR, and RSSI values are all factored in to determine the
reported signal strength bars. For 3G networks (including HSPA+) and 2G networks, the signal
strength bars are determined by the RSSI value.

Welcome Initial setup
Digi 5400-RM Cellular Remote Manager User Guide 10
4G LTE algorithm
Determine RSRP, SNR, and RSSI values separately, using the following
RSRP > -85, rsrp_bars=5
-95 < RSRP <= -85, rsrp_bars=4
-105 < RSRP <= -95, rsrp_bars=3
-115 < RSRP <= -105, rsrp_bars=2
-199 < RSRP <= -115, if we're connected to the cellular network, rsrp_bars=1,
if not rsrp_bars=0
If RSRP <= -199, then use RSSI as the value and run it through the same algorithm described above.
SNR >= 13, snr_bars=5
4.5 <= SNR < 13, snr_bars=4
1 <= SNR < 4, snr_bars=3
-3 < SNR < 1, snr_bars=2
-99 < SNR <= -3, if we're connected to the cellular network, snr_bars=1, if not
snr_bars=0
Once the snr_bars and rsrp_bars are determined, use the lesser of the two. That is the reported
signal strength bars.
3G algorithm
Determine RSSI signal strength.
RSSI > -80, bars=5
-90 < RSSI <= -80, bars=4
-100 < RSSI <= -90, bars=3
-106 < RSSI <= -100, bars=2
RSSI <= -106, if we're connected to the cellular network, bars=1, if not bars=0
bars is then reported as the signal strength bars.
2G algorithm
Determine RSSI signal strength.
RSSI > -80, bars=5
-89 < RSSI <= -80, bars=4
-98 < RSSI <= -89, bars=3
-104 < RSSI <= -98, bars=2
RSSI <= -104, if we're connected to the cellular network, bars=1, if not bars=0
bars is then reported as the signal strength bars.
Initial setup
1. Insert your activated SIM card provided by your cellular network operator. The metal contacts
should be facing down. You will hear a click once the SIM is completely inserted.
2. For maximum performance, attach both of the included antennas. While gripping the metal
connector section with your thumb and forefinger, tighten until secure. Do not tighten the
antenna by holding any part of the plastic antenna housing.
3. Connect the power supply unit to the device.

Welcome Important information about upgrading to firmware version 20.2.x
Digi 5400-RM Cellular Remote Manager User Guide 11
4. Verify the signal strength indicator on the front of the Digi 5400-RM shows two or more bars
for proper operation.
Important information about upgrading to firmware version
20.2.x
Device defaults to Digi Remote Manager after configuration erase
With firmware version 20.2.x, the default cloud-based management service for the Digi 5400-RM
device is Digi Remote Manager.
Digi 5400-RM devices upgraded from a firmware version prior to 20.2.xto firmware version 20.2.xor
greater will retain their central management configuration. Therefore, if the device was previously
configured to use aView for central management, it will continue to use aView after upgrading to
20.2.xor greater.
However, if you erase the configuration of a device that was upgraded from a firmware version prior
to 20.2.x, it will default to using Digi Remote Manager for cloud-based central device management.
You must reset the cloud configuration to use aView after a configuration erase.
Reset the cloud-based management service to aView
To the cloud-based management service to aView:
1. Log into the Digi 5400-RM WebUI as a user with full Admin access rights.
2. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.

Welcome Important information about upgrading to firmware version 20.2.x
Digi 5400-RM Cellular Remote Manager User Guide 12
3. Click Central Management.
4. Click Enable central management, if it central management is not already enabled.
5. For Service, select aView.
The Central management pane refreshes with the default aView configuration.
Review the default configuration. Generally, the default configuration should not be changed.

Welcome Important information about upgrading to firmware version 20.2.x
Digi 5400-RM Cellular Remote Manager User Guide 13
6. Enable the syslog server.
If the syslog server is not enabled and set to syslog.accns.com, the device will be able to
connect to aView and receive configuration updates, but unless the aView configuration
updates set the syslog server, the device will not be able to send any metrics or logs to aView.
a. Click System >Log >Server list >Server.
b. Click Enable.
c. Verify that Server is set to syslog.accns.com.
d. (Optional) Select the event types to be sent to aView.
7. Click Apply to save the configuration and apply the change.
The Apply button is located at the top of the WebUI page. You may need to scroll to the top of
the page to locate it.
Default SureLink configuration
With firmware version 20.2.x, Active Recovery has been renamed to SureLink. After upgrading from a
firmware version prior to 20.2.xto firmware version 20.2.xor greater, your existing Active Recovery
configuration will remain in place. The only change will be that the feature is renamed from Active
Recovery to SureLink.
However, if you erase the configuration of a device that was upgraded from a firmware version prior
to 20.2.x, it will use the default SureLink settings. The default SureLink settings are:
Interface Status Action
Default wireless WANs (Modem)
IPv4 Enabled Restart interface
IPv6 Disabled
Default WANs
IPv4 Enabled Restart interface
IPv6 Disabled

Welcome Important information about upgrading to firmware version 20.2.x
Digi 5400-RM Cellular Remote Manager User Guide 14
If the device is configured to synch with aView, it should get the correct SureLink configuration from
aView. If not, you can configure SureLink by using the local WebUI:
1. Log into the Digi 5400-RM WebUI as a user with full Admin access rights.
2. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. Click Network >Interfaces.
4. Click to expand a WANor WWAN (Modem).
5. After creating or selecting the WAN or WWAN, click IPv4 (or IPv6) > SureLink.
6. Make any necessary configuration changes.
7. Click Apply to save the configuration and apply the change.
The Apply button is located at the top of the WebUI page. You may need to scroll to the top of
the page to locate it.

Physical installation
Default settings 16
Connecting to the site network 16
Connecting the serial ports 17
Serial port pinout and use 17
Digi 5400-RM Cellular Remote Manager User Guide 15

Physical installation Default settings
Digi 5400-RM Cellular Remote Manager User Guide 16
Default settings
Option Default settings
Interface
priorities
nLAN set at a metric of 1.
nModem (cellular) at a metric of 3.
Network
settings
nLAN port configured as primary Internet interface.
nLAN port configured to obtain IP address via DHCP.
nCellular modem configured as backup Internet interface.
nSource NAT enabled (outbound traffic).
Modem
settings
nCarrier SmartSelect enabled.
nPassthrough mode disabled.
nAPN fallback enabled.
Central
management
settings
nCentral Management using aView enabled. The following servers will be
contacted for a central configuration:
laview.accns.com
larmt.att.com
lav-wob.gcsc.att.com
Security
policies
nPacket Filtering set to block all inbound traffic.
nLocal SSH, Web Admin, and Local GUI access enabled at the 192.168.210.1 IP
address. See Local configuration for details on accessing the Digi 5400-RM via
its default 192.168.210.1 IP.
Serial ports nAll four serial ports enabled with the same default settings:
lBaud rate: 9600
lData bits: 8
lParity: none
lStop bits: 1
lFlow control: none
Connecting to the site network
To use your wired network as an alternative network to access the devices connected to the Digi
5400-RM serial ports, connect the LAN port on the Digi 5400-RM to your site Gateway. By default, a
DHCP request will be sent to the local Ethernet network.

Physical installation Connecting the serial ports
Digi 5400-RM Cellular Remote Manager User Guide 17
1. Plug the power supply unit into an AC power outlet and connect to the 12V DC lead (4 pin
connector) cable.
2. Using a customer-provided CAT5 cable, connect to your site gateway and the LAN port of the
Digi 5400-RM.
Connecting the serial ports
The four serial ports on the Digi 5400-RM provide console access to connected critical equipment
through the cellular network, and optionally through a connected Ethernet LAN.
You must use a cable with an RJ45 connector to connect to the Digi 5400-RM with a RJ45, DB9F or
DB9M connector, as determined by your device type, to terminate to your device. Consult the user
guide for the device you are connecting to the Digi 5400-RM to determine the connector type, cable
type, and pinout positions for your specific device.
The serial ports are enabled by default. The network devices connected to the serial ports may be
accessed using the aView terminal window, the local device GUI, TCP, telnet, or SSH connections. TCP,
telnet and SSH connections to serial ports are disabled by default and must be enabled by a device
specific configuration. Connect up to four of your network devices to the Digi 5400-RM serial ports by
using the pinout information described in Serial port pinout and use.
1. Plug the power supply unit into an AC power outlet and connect to the 12V DC lead (4 pin
connector) cable.
2. Using a customer-provided CAT5 cable, connect to your site gateway and the LAN port of the
Digi 5400-RM.
Serial port pinout and use
The RS232 standard requires support for baud rates up to 9600 baud on shielded multicore cable up
to 50 feet (15 meters) long. For the Digi 5400-RM, the use of standard CAT 5 cables enables serial
communication at all baud rates up to 50 feet. CAT5 unshielded twisted pair cable lengths much
longer than 50 feet have been verified at 9600 baud but are non-standard and are not guaranteed.
The Digi 5400-RM RS232 serial port is DTE and has the following pin configuration.
Pin 1 RTS Request to send Output from Digi 5400-RM
Pin 2 DCD Data carrier detect Output from Digi 5400-RM
Pin 3 RXD Receive data Input to Digi 5400-RM
Pin 4/5 — Ground Signal ground
Pin 6 TXD Transmit data Output from Digi 5400-RM
Pin 7 DTR Data terminal ready Input to Digi 5400-RM
Pin 8 CTS Clear to send Input to Digi 5400-RM
Note Ring indicate (RI) and data set ready (DSR) are not implemented.

Physical installation Serial port pinout and use
Digi 5400-RM Cellular Remote Manager User Guide 18
The serial ports use a female RJ45 jack to enable connection using UTP Ethernet cabling.

Configuring the Digi 5400-RM device
Network managed configuration 20
Local configuration 20
Digi 5400-RM Cellular Remote Manager User Guide 19

Configuring the Digi 5400-RM device Network managed configuration
Digi 5400-RM Cellular Remote Manager User Guide 20
Network managed configuration
Your Digi 5400-RM device has the capability to automatically sync and receive all settings from aView,
a centralized cloud management portal.
The aView management portal provides the following capabilities for your Accelerated 5400-RM:
nMonitoring details including signal strength, network connectivity details (RSRP, CNTI, RSRQ,
Ec/Io, etc.), SIM card details (IMEI, IMSI, ESN, etc.), data transmitted/received, and more.
nEmail notifications based on connectivity, device firmware, and signal strength.
nRemote control.
nOut of band SMS recovery.
Devices using the aView management portal typically require no additional configuration or set-up.
See Advanced configuration with aView for more information about using aView for network managed
configuration.
Local configuration
If your Digi 5400-RM device is not provisioned in the management portal, it will use a default local
configuration profile which will enable basic cellular connectivity (primary or backup) to your router.
Your device will operate as a transparent bridge and all traffic on all ports is passed directly to and
from the client device connected to the device's Ethernet port.
The following the aView management portal actions are typically only performed by your network
administrator.
Note Using the aView management portal to centrally manage your device is recommended. If you
are not using the management portal, you must manage and configure your device using the local
interface.
Connecting to the Device
Communication with the device is typically via its Ethernet port. By default, you can connect to the
device via its Ethernet port, at the IP address 192.168.210.1. You can access the device via this default
IP address using a PC connected to its Ethernet port.
When connected to your site network, your Digi 5400-RM device will attempt to use DHCP to establish
a connection and obtain an IP address. If a DHCP server is operating on the site network then the
device will receive an IP address configuration from the local network. You can also access the device
using the IP address provided in the DHCP connection.
Manually Configuring PC to Connect to Device
To manually connect to the device, you must manually set an IP address on your PC to be able to
communicate with the Digi 5400-RM device.