Helmholz 700-875-LTE11, 700-875-LTE61 REX 100 Router User Guide

3.8 REX 100 LTE + WAN und REX 100 WiFi + WAN  

With this device variant, a failover can be parameter-  

ized in the configuration if required (see chapter 5.5).  

For this application, connect the WAN interface (P1  

WAN) of the REX 100 with a patch cable to the high-  

er-level (company) network/router. 3 LAN ports are  

available for connection to the machine network  

and for commissioning via PC.  

Furthermore, the requirements from points 3 and 3.6  

must be met. The VPN connection is primarily im-  

plemented via the WAN interface. If the connection  

is not established or is interrupted, the REX 100 au-  

tomatically switches to the appropriate wireless con-  

nection. As soon as WAN is available again, it  

switches back.  

Connection examples REX 100:  

3.9 Boot process  

The PWR LED lights up when the 24-volt supply voltage is applied. The boot process starts following the  

internal system check, which is indicated by the blinking RDY LED. The REX 100 is ready for operation as  

soon as the PWR LED and RDY LED light up continuously (duration: approx. 90 sec.).  

The 4G products 700-875-LTE01 and 700-875-LTE51 are intended for use in Europe and Asia. For  

use in North America, please use the "NAG" variants 700-875-LTE11 or 700-875-LTE61. Before  

using an LTE router, please compare the LTE frequency bands of the selected device with the support-  

ed frequency bands of the provider in the country of use.  

If you have any further questions on this issue, our technical sales team will be happy to help you.  

QuickStart Guide REX 100 | Version 14 | 22.01.2025  

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