Ursalink UR55 User Manual

Industrial cellular router
Hide thumbs Also See for UR55:
Table of Contents

Advertisement

Quick Links

Preface
Thanks for choosing Ursalink UR52/UR55 industrial cellular router. The UR52/UR55 industrial cellular
router delivers tenacious connection over network with full-featured design such as automated
failover/failback, extended operating temperature, dual SIM cards, hardware watchdog, VPN, Fast
Ethernet and beyond.
This guide describes how to configure and operate the UR52/UR55 industrial cellular router. You
can refer to it for detailed functionality and router configuration.
Readers
This guide is mainly intended for the following users:
- Network Planners
- On-site technical support and maintenance personnel
- Network administrators responsible for network configuration and maintenance
© 2017 Xiamen Ursalink Technology Co., Ltd.
All rights reserved.
All information in this user guide is protected by copyright law. Whereby, no organization or individual
shall copy or reproduce the whole or part of this user guide by any means without written authorization
from Xiamen Ursalink Technology Co., Ltd.
Products Covered
This guide explains how to configure the following devices:
• Ursalink UR52 Industrial Cellular Router
• Ursalink UR55 Industrial Cellular Router
Related Documents
Document
Ursalink UR52/UR55 Datasheet
Ursalink UR52/UR55 Quick Start Guide
Declaration of Conformity
Description
Datasheet for the Ursalink UR5x series
industrial cellular router.
Quick Installation guide for the Ursalink UR5x
series industrial cellular router.
UR52 & UR55 User Guide
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the UR55 and is the answer not in the manual?

Questions and answers

Summary of Contents for Ursalink UR55

  • Page 1 SIM cards, hardware watchdog, VPN, Fast Ethernet and beyond. This guide describes how to configure and operate the UR52/UR55 industrial cellular router. You can refer to it for detailed functionality and router configuration. Readers...
  • Page 2 SIM cards, hardware watchdog, VPN, Fast Ethernet and beyond. The biggest difference between UR52 and UR55 lies in the number of Ethernet ports. This guide describes how to configure and operate the UR52&UR55 industrial cellular router. You can refer to it for detailed functionality and router configuration.
  • Page 3 UR52 & UR55 User Guide Declaration of Conformity UR52/UR55 is in conformity with the essential requirements and other relevant provisions of the CE, FCC, and RoHS. For assistance, please contact Ursalink technical support: Email: support@ursalink.com Tel.: 86-592-5023060 Fax: 86-592-5023065 Revision History...
  • Page 4: Table Of Contents

    UR52 & UR55 User Guide Contents Chapter 1 Product Introduction..........................8 1.1 Overview..............................8 1.2 Advantages..............................8 1.3 Specifications............................10 1.4 Dimensions (mm)............................12 Chapter 2 Installation............................. 13 2.1 General Packing List..........................13 2.2 Product Overview............................. 14 2.3 LED Indicators............................15 2.5 PIN Definition............................16 2.6 Reset Button..............................16...
  • Page 5 UR52 & UR55 User Guide 4.2.2.1 ACL............................45 4.2.2.2 DMZ.............................47 4.2.2.3 Port Mapping........................47 4.2.2.4 MAC Binding........................48 4.2.3 QoS..............................49 4.2.3.1 QoS (Download/Upload)....................49 4.2.4 DHCP...............................50 4.2.4.1 DHCP Server........................50 4.2.4.2 DHCP Relay......................... 51 4.2.5 DDNS.............................. 52 4.2.6 Link Failover........................... 52 4.2.6.1 SLA............................53 4.2.6.2 Track............................
  • Page 6 UR52 & UR55 User Guide 4.3.3.4 Trap............................. 92 4.3.3.5 MIB............................93 4.3.4 AAA..............................93 4.3.4.1 Radius..........................93 4.3.4.2 TACACS+..........................94 4.3.4.3 LDAP............................ 94 4.3.4.4 Authentication........................95 4.3.5 Device Management........................96 4.3.6 Events............................. 97 4.3.6.1 Events..........................97 4.3.6.2 Events Settings........................98 4.4 Industrial Interface........................... 99 4.4.1 I/O..............................100 4.4.1.1 DI............................
  • Page 7 UR52 & UR55 User Guide 5.6 Firmware Upgrade..........................124 5.7 Events Application Example........................126 5.8 Schedule Application Example.......................128 5.9 Logs and Diagnostics..........................129 5.10 SNMP Application Example........................130 5.11 LAN Management..........................133 5.12 Network Connection..........................134 5.12.1 Cellular Connection........................134 5.12.2 Ethernet WAN Connection......................136 5.13 WAN Failover/Backup Application Example..................
  • Page 8: Chapter 1 Product Introduction

    Chapter 1 Product Introduction 1.1 Overview Ursalink UR52/UR55 is an industrial cellular router with embedded intelligent software features that are designed for multifarious M2M/IoT applications. Supporting global WCDMA and 4G LTE, UR52/UR55 provides drop-in connectivity for operators and makes a giant leap in maximizing uptime.
  • Page 9 AAA (TACACS+, Radius, LDAP, local authentication) and multiple levels of user authority Easy Maintenance Ursalink DeviceHub provides easy setup, mass configuration, and centralized management of remote devices The user-friendly web interface design and more than one option of upgrade help administrator to...
  • Page 10: Specifications

    UR52 & UR55 User Guide 1.3 Specifications Cellular Interfaces Connectors 2 × 50 Ω SMA (Center pin: female) SIM Slots Wi-Fi Interface (Optional) Connectors 1 × 50 Ω SMA (Center pin: female) Standards IEEE 802.11b/g/n/ac Tx Power 802.11b: 16 dBm +/-1.5 dBm (11 Mbps) 802.11g: 15 dBm +/-1.5 dBm (54 Mbps)
  • Page 11 2-pin with 5.08 mm terminal block Input Voltage 9-48 VDC Power Consumption UR52: Typical 1.6 W (Max 3.0 W) UR55: Typical 2.6 W (Max 4.3 W) Physical Characteristics Ingress Protection IP30 Housing & Weight UR52: Metal, 460 g (1.01 lb) UR55: Metal, 481 g (1.06 lb)
  • Page 12: Dimensions (Mm)

    UR52 & UR55 User Guide LED Indicators 1 × POWER, 1 × WLAN, 1 × STATUS, 1 × VPN, 1 × SIM1, 1 × SIM2, 3 × Signal strength Built-in Watchdog, RTC, Timer Certifications RoHS, CE, FCC IEC 61000-4-2 Level 3...
  • Page 13: Chapter 2 Installation

    UR52 & UR55 User Guide Chapter 2 Installation 2.1 General Packing List Before you begin to install the UR52/UR55 router, please check the package contents to verify that you have received the items below. 1 × UR55 Router 1 × UR52 Router 1 ×...
  • Page 14: Product Overview

    UR52 & UR55 User Guide 2.2 Product Overview A. Front Panel UR52 Front Panel Main Cellular Antenna Connector Reset Button ① ② LED Indicator Area ③ POWER: Power Indicator STATUS: Status Indicator WLAN: Wi-Fi Indicator VPN: VPN Indicator SIM1: SIM1 Status Indicator SIM2: SIM2 Status Indicator...
  • Page 15: Led Indicators

    UR52 & UR55 User Guide 2.3 LED Indicators Indication Status Description The power is switched off POWER Power Status The power is switched on Static: Start-up Green Light STATUS System Status Blinking slowly: the system is running properly Red Light...
  • Page 16: Pin Definition

    UR52 & UR55 User Guide 2.5 PIN Definition RS232 RS485 Description Transmit Data Receive Data Data + Data - Ground Digital Input1 Digital Input2 OUT1 Digital Output1 OUT2 Digital Output2 Common Ground Description Positive Negative 2.6 Reset Button Description Function...
  • Page 17: Sim Card Installation

    UR52 & UR55 User Guide 2.7 SIM Card Installation Push the yellow button on left panel of the router, and then you will see the SIM card slot popping out directly. B. Put SIM card onto the slot, and then insert the slot back into the hole.
  • Page 18: Antenna Installation

    The external cellular antenna should be installed vertically always on a site with a good cellular signal. Note: UR52/UR55 router supports dual antennas with “Main” and “AUX” connectors. “Main” interface is for data receiving and transmission. “AUX” interface is for enhancing signal strength, which cannot be used separately.
  • Page 19: Connect The Router To A Computer

    Recommended torque for mounting is 1.0 N. m, and the maximum allowed is 1.2 N.m. 2.11 Connect the Router to a Computer Please connect PC to any port among FE 1/1-FE1/4 of UR55 router, or to FE1 of UR52 router with Ethernet cable directly.
  • Page 20: Protective Grounding Installation

    Double check antenna connection. Double check if SIM card is inserted and become available. Power on the UR52/UR55 wireless cellular router and check indicators status. (1) If Status LED blinks slowly, the system is running properly. If SIM1 or SIM2 indicator is static green, the router is connected to network already.
  • Page 21: Chapter 3 Access To Web Gui

    3.1 PC Configuration for Web GUI Access to Router Please connect PC to any port among FE 1/1-FE 1/4 of UR55 router, or to FE 1 of UR52 router directly. PC can obtain an IP address, or you can configure a static IP address manually.
  • Page 22: Access To Web Gui Of Router

    (Note: remember to click “OK” to finish configuration.) 3.2 Access to Web GUI of Router Ursalink router provides Web-based configuration interface for management. If this is the first time you configure the router, please use the default settings below. Username: admin Password: password IP Address: 192.168.1.1...
  • Page 23 UR52 & UR55 User Guide If the SIM card is connected to cellular network with public IP address, you can access WEB GUI remotely via the public IP address when remote access is enabled. If you enter the username or password incorrectly more than 5 times, the login page will be locked for 10 minutes.
  • Page 24: Chapter 4 Web Configuration

    UR52 & UR55 User Guide Chapter 4 Web Configuration 4.1 Status 4.1.1 Overview You can view the system information of the router on this page. Figure 4-1-1-1 System Information Item Description Model Show the model name of router. Part Number Show the part number of router.
  • Page 25: Cellular

    UR52 & UR55 User Guide 4.1.2 Cellular You can view the cellular network status of router on this page. Figure 4-1-2-1 Modem Information Item Description Status Show corresponding detection status of module and SIM card. Model Show the model name of cellular module.
  • Page 26: Network

    UR52 & UR55 User Guide Figure 4-1-2-2 Network Status Item Description Status Show the connection status of cellular network. IP Address Show the IP address of cellular network. Netmask Show the netmask of cellular network. Gateway Show the gateway of cellular network.
  • Page 27: Wlan (Only Applicable To Wi-Fi Version)

    UR52 & UR55 User Guide Show the DNS of WAN port. Show the information on how long the Ethernet cable has been connected on Connection Duration WAN port when WAN function is enabled. Once WAN function is disabled or Ethernet connection is disconnected, the duration will stop.
  • Page 28: Vpn

    UR52 & UR55 User Guide Interface Type Show the interface type, such as "AP" or “Client". SSID Show the SSID. Channel Show the wireless channel. Authentication Type Show the authentication type. Encryption Type Show the encryption type. Status Show the connection status.
  • Page 29 UR52 & UR55 User Guide Figure 4-1-5-1 Figure 4-1-5-2...
  • Page 30: Routing Information

    UR52 & UR55 User Guide Figure 4-1-5-3 VPN Status Item Description Name Show the name of the VPN tunnel. Status Show the status of the VPN tunnel. Local IP Show the local tunnel IP of VPN tunnel. Remote IP Show the remote tunnel IP of VPN tunnel.
  • Page 31: Host List

    UR52 & UR55 User Guide Show the IP address of ARP pool. Show the IP address's corresponding MAC address. Interface Show the binding interface of ARP. Table 4-1-6-1 Routing Information 4.1.7 Host List You can view the host information on this page.
  • Page 32: Network

    (2) Ethernet Ports of UR55 The UR55 industrial cellular router features 5 Fast Ethernet ports, named FE 0, FE 1/1, FE 1/2, FE 1/3 and FE 1/4. Among which, FE 0 is set as WAN port by default for accessing to public network and its property cannot be changed.
  • Page 33: Wan

    Set the status of Ethernet port; select "up" to enable and "down" to Status disable. UR55: Set the Ethernet port's type, as a WAN port or a LAN port. Property UR52: FE 0 port's type is WAN, and FE 1 is LAN. User cannot change this setting.
  • Page 34 UR52 & UR55 User Guide WAN Setting Item Description Default Enable Enable WAN function Enable Port The port that is currently set as WAN port. FE 0 Connection Select from "Static IP", "DHCP Client" and "PPPoE". Static IP Type Set the maximum transmission unit.
  • Page 35 UR52 & UR55 User Guide 2. DHCP Client If the external network has DHCP server enabled and has assigned IP addresses to the Ethernet WAN interface, user can select “DHCP client” mode to obtain IP address automatically. Figure 4-2-1-4 DHCP Client...
  • Page 36: Lan

    Ethernet WAN Connection 4.2.1.3 LAN LAN setting is used for managing local area network devices which are connected to LAN ports of the UR52/UR55, allowing each of them to access the Internet. Click to delete the existing LAN port setting. Click...
  • Page 37: Vlan Trunk

    UR52 & UR55 User Guide 1. UR52 Figure 4-2-1-6 Item Description Default Interface Select LAN port. FE 1 IP Address Set IP address of LAN port. 192.168.1.1 Netmask Set Netmask of LAN port. 255.255.255.0 Set the maximum transmission unit of LAN port. Range: 68-1500.
  • Page 38 UR52 & UR55 User Guide 1. UR52 Figure 4-2-1-8 VLAN Trunk Item Description The router can encapsulate or decapsulate the virtual LAN tag Enable when this function is enabled. Interface Select the VLAN interface from the LAN ports. Set the label ID of the VLAN. Range: 1-4094.
  • Page 39: Wlan (Only Applicable To Wi-Fi Version)

    UR52 & UR55 User Guide 4.2.1.5 WLAN (Only Applicable to Wi-Fi Version) This section explains how to set the related parameters for Wi-Fi network. UR52/UR55 supports 802.11 b/g/n/ac, as AP or client mode. Wi-Fi is optional on UR52/UR55. Figure 4-2-1-10...
  • Page 40: Cellular

    If both cellular interfaces are enabled, then SIM1 interface takes precedence by default. A typical use case would be to have SIM1 configured as the primary cellular interface and SIM2 as a backup. If the UR52/UR55 cannot connect to the network via SIM1, it will automatically fail over to SIM2.
  • Page 41 UR52 & UR55 User Guide Figure 4-2-1-13 Figure 4-2-1-14 General Settings Item Description Default Enable Check the option to enable the corresponding SIM card. Enable Select from "Auto", "4G First", "4G Only", "3G First", "3G Only", "2G Frist", and "2G Only".
  • Page 42 UR52 & UR55 User Guide 4G First: 4G network takes precedence. 4G Only: connect to 4G network only. And so on. Enter the Access Point Name for cellular dial-up connection Null provided by local ISP. Enter the username for cellular dial-up connection provided...
  • Page 43 UR52 & UR55 User Guide Figure 4-2-1-15 Connection Mode Item Description Connection Mode Select from "Always Online" and "Connect on Demand". "Connect on Demand" includes "Triggered by Call", "Triggered by SMS", and Connect on Demand "Triggered by IO". The router will switch from offline mode to cellular network mode Triggered by Call automatically when it receives a call from the specific phone number.
  • Page 44: Loopback

    UR52 & UR55 User Guide SIM card when in IMCP detection exceeds the preset value. ICMP detection fails Switch to backup The router will switch to the backup SIM card when the primary SIM card when the one fails to connect with cellular network.
  • Page 45: Firewall

    UR52 & UR55 User Guide Apart from the IP above, user can configure Multiple IP Null other IP addresses. Addresses Table 4-2-1-16 Loopback Parameters 4.2.2 Firewall This section describes how to set the firewall parameters, including ACL, DMZ, Port Mapping and MAC Binding.
  • Page 46 UR52 & UR55 User Guide Item Description ACL Setting Select from "Accept" and "Deny". Default Filter Policy The packets which are not included in the access control list will be processed by the default filter policy. Access Control List Type Select type from "Extended"...
  • Page 47: Dmz

    UR52 & UR55 User Guide 4.2.2.2 DMZ DMZ is a host within the internal network that has all ports exposed, except those forwarded ports in port mapping. Figure 4-2-2-3 Item Description Enable Enable or disable DMZ. DMZ Host Enter the IP address of the DMZ host on the internal network.
  • Page 48: Mac Binding

    UR52 & UR55 User Guide Port Mapping Item Description Specify the host or network which can access local IP address. Source IP 0.0.0.0/0 means all. Enter the TCP or UDP port from which incoming packets are Source Port forwarded. Range: 1-65535.
  • Page 49: Qos

    UR52 & UR55 User Guide 4.2.3 QoS Quality of service (QoS) refers to traffic prioritization and resource reservation control mechanisms rather than the achieved service quality. QoS is engineered to provide different priority for different applications, users, data flows, or to guarantee a certain level of performance to a data flow.
  • Page 50: Dhcp

    IP address and other information. 4.2.4.1 DHCP Server The UR52/UR55 can be set as a DHCP server to distribute IP address when a host logs on and ensures each host is supplied with different IP addresses. DHCP Server has simplified some previous network management tasks requiring manual operations to the largest extent.
  • Page 51: Dhcp Relay

    DHCP range). Table 4-2-4-1 DHCP Server Parameters 4.2.4.2 DHCP Relay The UR52/UR55 can be set as DHCP Relay to provide a relay tunnel to solve the problem that DHCP Client and DHCP Server are not in the same subnet. Figure 4-2-4-2...
  • Page 52: Ddns

    UR52 & UR55 User Guide Set DHCP server, up to 10 servers can be configured; separate DHCP Server them by blank space or ",". Table 4-2-4-2 DHCP Relay Parameters 4.2.5 DDNS Dynamic DNS (DDNS) is a method that automatically updates a name server in the Domain Name System, which allows user to alias a dynamic IP address to a static domain name.
  • Page 53: Sla

    UR52 & UR55 User Guide 4.2.6.1 SLA SLA setting is used for configuring link probe method. The default probe type is ICMP. Figure 4-2-6-1 Item Description Default SLA index. Up to 10 SLA settings can be added. Range: 1-10. ICMP-ECHO is the default type to detect if the...
  • Page 54 UR52 & UR55 User Guide Linkage between Track Module and SLA module Once you complete the configuration, the linkage relationship between Track module and SLA module will be established. SLA module is used for detection of link status, network performance and notification of Track module.
  • Page 55: Vrrp

    UR52 & UR55 User Guide 4.2.6.3 VRRP The Virtual Router Redundancy Protocol (VRRP) is a computer networking protocol that provides automatic assignment of available Internet Protocol (IP) routers for participating hosts. This increases the availability and reliability of routing paths via automatic default gateway selections in an IP sub-network.
  • Page 56: Wan Failover

    Trace detection, select the defined track ID or blank Track ID None character. Table 4-2-6-3 VRRP Parameters Note: for UR55, if you select “bridge0” as interface, you must select a track ID, otherwise VRRP status won’t show correctly. Related Configuration Example VRRP Application Example 4.2.6.4 WAN Failover WAN failover refers to failover between Ethernet WAN interface and cellular interface.
  • Page 57: Routing

    UR52 & UR55 User Guide Figure 4-2-6-4 WAN Failover Parameters Description Default Main Interface Select a link interface as the main link. Cellular0 Backup Interface Select a link interface as the backup link. Set how long to wait for the startup tracking detection policy Startup Delay (s) to take effect.
  • Page 58: Rip

    UR52 & UR55 User Guide Figure 4-2-7-1 Static Routing Item Description Destination Enter the destination IP address. Netmask Enter the subnet mask of destination address. Interface The interface through which the data can reach the destination address. IP address of the next router that will be passed by before the input data Gateway reaches the destination address.
  • Page 59 UR52 & UR55 User Guide Figure 4-2-7-2 Description Item Enable Enable or disable RIP. It defines the interval to send routing updates. Range: Update Timer 5-2147483647, in seconds. It defines the routing aging time. If no update package on a routing is...
  • Page 60 UR52 & UR55 User Guide Metric Set metric after "Redistribute Connected" is enabled. Range: 0-16. Redistribute Static Check to enable. Metric Set metric after "Redistribute Static" is enabled. Range: 0-16. Redistribute OSPF Check to enable. Metric Set metric after "Redistribute OSPF" is enabled. Range: 0-16.
  • Page 61 UR52 & UR55 User Guide Set the administrative distance that a RIP route learns. Range: Distance 1-255. IP Address Set the IP address of RIP route. Netmask Set the netmask of RIP route. ACL Name Set ACL name of RIP route.
  • Page 62: Ospf

    UR52 & UR55 User Guide 4.2.7.3 OSPF OSPF, short for Open Shortest Path First, is a link status based on interior gateway protocol developed by IETF. If a router wants to run the OSPF protocol, there should be a Router ID that can be manually configured. If no Router ID configured, the system will automatically select an IP address of interface as the Router ID.
  • Page 63 UR52 & UR55 User Guide OSPF Item Description Enable Enable or disable OSPF. Router ID Router ID (IP address) of the originating LSA. ABR Type Select from cisco, ibm, standard and shortcut. RFC1583 Compatibility Enable/Disable. Enable/Disable OSPF Opaque-LSA LSA: a basic communication means of the OSPF routing protocol for the Internet Protocol (IP).
  • Page 64 UR52 & UR55 User Guide Range: 3-65535. It will take time to transmit OSPF packets on the link. So a certain delay time should be increased before transmission the aging time of LSA. This Transmit Delay (s) configuration needs to be further considered on the low-speed link.
  • Page 65 UR52 & UR55 User Guide Select from "Stub" and "NSSA". Area The backbone area (area ID 0.0.0.0) cannot be set as "Stub" or "NSSA". No Summary Forbid route summarization. Authentication Select authentication from "simple" and "md5". Table 4-2--7-6 OSPF Parameters...
  • Page 66 UR52 & UR55 User Guide The dead interval time for sending Hello packets through the interface. Range: Dead Interval 1-65535. Retransmit Interval The retransmission interval time for re-sending LSA. Range: 1-65535. Transmit Delay The delay time for LSA transmission. Range: 1-65535.
  • Page 67: Routing Filtering

    Virtual Private Networks, also called VPNs, are used to securely connect two private networks together so that devices can connect from one network to the other network via secure channels. The UR52/UR55 supports DMVPN, IPsec, GRE, L2TP, PPTP, OpenVPN, as well as GRE over IPsec and L2TP over IPsec.
  • Page 68: Dmvpn

    UR52 & UR55 User Guide 4.2.8.1 DMVPN A dynamic multi-point virtual private network (DMVPN), combining mGRE and IPsec, is a secure network that exchanges data between sites without passing traffic through an organization's headquarter VPN server or router. Figure 4-2-8-1...
  • Page 69: Ipsec

    UR52 & UR55 User Guide GRE Local IP Address GRE local tunnel IP address. GRE Netmask GRE local tunnel netmask. GRE Key GRE tunnel key. Negotiation Mode Select from "Main" and "Aggressive". Authentication Select from "DES", "3DES", "AES128", "AES192" and "AES256".
  • Page 70 UR52 & UR55 User Guide Figure 4-2-8-2 IPsec Item Description Enable Enable IPsec tunnel. A maximum of 3 tunnels is allowed. IPsec Gateway Address Enter the IP address or domain name of remote IPsec server. IPsec Mode Select from "Tunnel" and "Transport".
  • Page 71 UR52 & UR55 User Guide Figure 4-2-8-3 IKE Parameter Item Description IKE Version Select from "IKEv1" and "IKEv2". Negotiation Mode Select from "Main" and "Aggressive". Encryption Algorithm Select from "DES", "3DES", "AES128", "AES192" and "AES256". Authentication Algorithm Select from "MD5" and " SHA1"...
  • Page 72: Gre

    UR52 & UR55 User Guide PFS Group Select from "NULL", "MODP768_1" , "MODP1024_2" and "MODP1536_5". Lifetime (s) Set the lifetime of IPsec SA. Range: 60-86400. DPD Interval Time(s) Set DPD interval time to detect if the remote side fails. DPD Timeout(s) Set DPD timeout.
  • Page 73: L2Tp

    UR52 & UR55 User Guide Item Description Enable Check to enable GRE function. Remote IP Address Enter the real remote IP address of GRE tunnel. Local IP Address Set the local IP address. Local Virtual IP Address Set the local tunnel IP address of GRE tunnel.
  • Page 74 UR52 & UR55 User Guide L2TP Item Description Enable Check to enable L2TP function. Remote IP Address Enter the public IP address or domain name of L2TP server. Username Enter the username that L2TP server provides. Password Enter the password that L2TP server provides.
  • Page 75: Pptp

    UR52 & UR55 User Guide Address/Control For PPP initialization. User can keep the default option. Compression Protocol Field For PPP initialization. User can keep the default option. Compression One of the PPP protocol initialization strings. User can keep Asyncmap Value the default value.
  • Page 76 UR52 & UR55 User Guide PPTP Item Description Enable Enable PPTP client. A maximum of 3 tunnels is allowed. Remote IP Address Enter the public IP address or domain name of PPTP server. Username Enter the username that PPTP server provides.
  • Page 77: Openvpn Client

    UR52 & UR55 User Guide One of the PPP protocol initialization strings. User can keep Asyncmap Value the default value. Range: 0-ffffffff. Enter the maximum receive unit. Range: 0-1500. Enter the maximum transmission unit. Range: 0-1500. Set the link detection interval time to ensure tunnel Link Detection Interval (s) connection.
  • Page 78 UR52 & UR55 User Guide Figure 4-2-8-9 OpenVPN Client Item Description Enable Enable OpenVPN client. A maximum of 3 tunnels is allowed. Protocol Select from "UDP" and "TCP". Remote IP Address Enter remote OpenVPN server's IP address or domain name.
  • Page 79: Openvpn Server

    Set the local route's IP address. Subnet Mask Set the local route's netmask. Table 4-2-8-9 OpenVPN Client Parameters 4.2.8.7 OpenVPN Server The UR52/UR55 supports OpenVPN server to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. Figure 4-2-8-10...
  • Page 80 UR52 & UR55 User Guide Figure 4-2-8-11 OpenVPN Server Item Description Enable Enable/disable OpenVPN server. Protocol Select from TCP and UDP. Port Fill in listening port number. Range: 1-65535. Enter WAN IP address or LAN IP address. Leaving it blank refers to all active Listening IP WAN IP and LAN IP address.
  • Page 81: Certifications

    UR52 & UR55 User Guide Username & Password Set username and password for OpenVPN client. Table 4-2-8-10 OpenVPN Server Parameters 4.2.8.8 Certifications User can import/export certificate and key files for OpenVPN and IPsec on this page. Figure 4-2-8-12 OpenVPN Client...
  • Page 82: System

    UR52 & UR55 User Guide OpenVPN Server Item Description Import/Export CA certificate file. Public Key Import/Export public key file. Private Key Import/Export private key file. Import/Export DH key file. Import/Export TA key file. Import/Export CRL. Preshared Key Import/Export static key file.
  • Page 83 UR52 & UR55 User Guide Figure 4-3-1-1 General Item Description Default System Hostname User-defined router name, needs to start with a letter. ROUTER Web Login Timeout (s) You need to log in again if it times out. Range: 100-3600. 1800...
  • Page 84: System Time

    UR52 & UR55 User Guide Click "Browse" button, choose key file on the PC, and then click "Import" button to upload the file into router. Click "Export" button will export file to the PC. Click "Delete" button will delete the file.
  • Page 85: Smtp

    UR52 & UR55 User Guide Figure 4-3-1-5 System Time Item Description Current Time Show the current system time. Time Zone Click the drop down list to select the time zone you are in. Sync Type Click the drop down list to select the time synchronization type.
  • Page 86 UR52 & UR55 User Guide Figure 4-3-1-6 SMTP Item Description SMTP Client Settings Enable Enable or disable SMTP client function. Email Address Enter the sender's email account. Password Enter the sender's email password. SMTP Server Address Enter SMTP server's domain name.
  • Page 87: Phone

    UR52 & UR55 User Guide 4.3.1.5 Phone Phone settings involve in call/SMS trigger and SMS alarm for events. Add phone list. Select phone numbers and add them to the phone group. Go to “Network > Interface > Cellular > Connection Mode > Connect on Demand > Trigger by Call / Trigger by SMS”...
  • Page 88: Storage

    UR52 & UR55 User Guide 4.3.1.6 Storage You can view Micro SD card information on this page. Figure 4-3-1-8 Storage Item Description Status Show the status of Micro SD card, such as “Available” or “Not Inserted”. Storage (Capacity/Available) The total capacity of the Micro SD Card。...
  • Page 89: User Management

    UR52 & UR55 User Guide Account Item Description Enter a new username. You can use characters such as a-z, Username 0-9, "_", "-", "$". The first character can't be a digit. Old Password Enter the old password. New Password Enter a new password.
  • Page 90: Snmp

    Download MIB file and load it into NMS. Configure MIB View. Configure VCAM. Related Configuration Example SNMP Application Example 4.3.3.1 SNMP The UR52/UR55 supports SNMPv1, SNMPv2c and SNMPv3 version. SNMPv1 and SNMPv2c employ community name authentication. SNMPv3 employs authentication encryption by username and password. Figure 4-4-3-1...
  • Page 91: Mib View

    UR52 & UR55 User Guide SNMP Settings Item Description Enable Enable or disable SNMP function. Set SNMP listened port. Range: 1-65535. Port The default port is 161. SNMP Version Select SNMP version; support SNMP v1/v2c/v3. Location Information Fill in the location information.
  • Page 92: Trap

    UR52 & UR55 User Guide VACM Item Description SNMP v1 & v2 User List Community Set the community name. Permission Select from "Read-Only" and "Read-Write". MIB View Select an MIB view to set permissions from the MIB view list. Network The IP address and bits of the external network accessing the MIB view.
  • Page 93: Mib

    UR52 & UR55 User Guide 4.3.3.5 MIB This section describes how to download MIB files. The last MIB file “URSA-ROUTER-MIB.txt” is for the UR52/UR55 router. Figure 4-3-3-5 Item Description MIB File Select the MIB file you need. Download Click "Download" button to download the MIB file to PC.
  • Page 94: Tacacs

    UR52 & UR55 User Guide Radius Item Description Enable Enable or disable Radius. Server IP Address Fill in the Radius server IP address/domain name. Server Port Fill in the Radius server port. Range: 1-65535. Fill in the key consistent with that of Radius server in order to get connected with Radius server.
  • Page 95: Authentication

    UR52 & UR55 User Guide Figure 4-3-4-3 LDAP Item Description Enable Enable or Disable LDAP. Fill in the LDAP server's IP address/domain name. The Server IP Address maximum count is 10. Server Port Fill in the LDAP server's port. Range: 1-65535 Base DN The top of LDAP directory tree.
  • Page 96: Device Management

    Select authentication for Telnet access. Select authentication for SSH access. Table 4-3-4-4 Authentication Parameters 4.3.5 Device Management You can connect the device to the Ursalink DeviceHub on this page so as to manage the router centrally and remotely. Figure 4-3-5-1...
  • Page 97: Events

    UR52 & UR55 User Guide DeviceHub Item Description Show the connection status between the router and the Status DeviceHub. Disconnected Click this button to disconnect the router from the DeviceHub. Activation Server Address IP address or domain of the DeviceHub.
  • Page 98: Events Settings

    UR52 & UR55 User Guide Type Show the event type that should be alarmed. Time Show the alarm time. Message Show the alarm content. Table 4-3-6-1 Events Parameters 4.3.6.2 Events Settings In this section, you can decide what events to record and whether you want to receive email and SMS notifications when any change occurs.
  • Page 99: Industrial Interface

    Events Application Example 4.4 Industrial Interface The UR52/UR55 router is capable of connecting with terminals through industrial interfaces so as to realize wireless communication between terminals and remote data center. There are two types of the router’s industrial interface: serial port (RS232 and RS485) and I/O (digital input and digital output).
  • Page 100: I/O

    UR52 & UR55 User Guide 4.4.1 I/O 4.4.1.1 DI This section explains how to configure monitoring condition on digital input, and take certain actions once the condition is reached. Figure 4-4-1-1 Item Description Enable Enable or disable DI. Mode Options are "High Level", "Low Level", and "Counter".
  • Page 101 UR52 & UR55 User Guide Cellular UP Trigger the router to switch from offline mode to cellular network mode. Table 4-4-1-1 DI Parameters Related Topics DO Setting Email Setting Connect on Demand 4.4.1.2 DO This section describes how to configure digital output mode.
  • Page 102: Serial Port

    UR52 & UR55 User Guide Related Topics DI Setting 4.4.2 Serial Port Serial 1 is used for RS232 and Serial 2 for RS485 by default. This section explains how to configure serial port parameters to achieve communication with serial terminals, and configure work mode to achieve communication with the remote data center, so as to achieve two-way communication between serial terminals and remote data center.
  • Page 103 UR52 & UR55 User Guide In DTU Mode, the serial port can establish communication with DTU Mode the remote server/client. In GPS mode, go to "Industrial > GPS > GPS Serial Forwarding" to select corresponding Serial Type, then GPS data will be forwarded to this serial port.
  • Page 104 UR52 & UR55 User Guide preset frame size is reached. The size range is 1-1024. The unit is byte. The interval that the router sends out real serial data stored in the buffer area to public network. The range is 10-65535, in milliseconds.
  • Page 105: Modbus Tcp

    Define the address of DO_2, range: 0-255. Table 4-4-3-1 Modbus TCP Parameters 4.4.4 Modbus Master UR52/UR55 router can be set as Modbus Master to poll the remote Modbus Slave and send alarm according to the response. 4.4.4.1 Modbus Master You can configure Modbus Master’s parameters on this page.
  • Page 106: Channel

    UR52 & UR55 User Guide Figure 4-4-4-1 Modbus Master Item Description Default Enable Enable/disable Modbus master. Set the interval for reading remote channels. When the read cycle ends, the commands which haven't been sent Read out will be discard, and the new read cycle begins. If it is...
  • Page 107 UR52 & UR55 User Guide Figure 4-4-4-2 Channel Setting Item Description Name Set the name to identify the remote channel. It cannot be blank. Slave ID Set Modbus slave ID. Address The starting address for reading. Number The address number for reading.
  • Page 108: Gps

    UR52 & UR55 User Guide Alarm Setting Item Description Set the same name with the channel name to identify the remote Name channel. Condition The condition that triggers alert. Min. Set the min. value to trigger the alert. When the actual value is less than Threshold this value, the alarm will be triggered.
  • Page 109: Gps Ip Forwarding

    UR52 & UR55 User Guide 4.4.5.2 GPS IP Forwarding GPS IP forwarding means that GPS data can be forwarded over the Internet. Figure 4-4-5-2 Figure 4-4-5-3 GPS IP Forwarding Item Description Default Enable Forward the GPS data to the client or server.
  • Page 110: Gps Serial Forwarding

    UR52 & UR55 User Guide seconds. The range is 1-60. Include RMC Whether include RMC in GPS data. Include GSA Whether include GSA in GPS data. Include GGA Whether include GGA in GPS data. Include GSV Whether include GSV in GPS data.
  • Page 111: Maintenance

    UR52 & UR55 User Guide 4.5 Maintenance This section describes system maintenance tools and management. 4.5.1 Tools Troubleshooting tools includes ping and traceroute. 4.5.1.1 Ping Ping tool is engineered to ping outer network. Figure 4-5-1-1 PING Item Description Ping outer network from the router.
  • Page 112: Schedule

    UR52 & UR55 User Guide Traceroute Item Description Host Address of the destination host to be detected. Table 4-5-1-2 Traceroute Parameters 4.5.2 Schedule This section explains how to configure scheduled reboot on the router. Figure 4-5-2-1 Schedule Item Description Schedule Select schedule type.
  • Page 113: System Log

    UR52 & UR55 User Guide 4.5.3.1 System Log This section describes how to download log file and view the recent log on web. Figure 4-5-3-1 System Log Item Description Download Download log file. View recent (lines) View the specified lines of system log.
  • Page 114: Upgrade

    UR52 & UR55 User Guide Figure 4-5-3-2 Log Settings Item Description Remote Log Server With “Remote Log Server” enabled, router will send all system Enable logs to the remote server. Syslog Server Address Fill in the remote system log server address (IP/domain name).
  • Page 115 UR52 & UR55 User Guide Figure 4-5-4-1 Upgrade Item Description Firmware Version Show the current firmware version. Reset Configuration to When this option is checked, the router will be reset to factory Factory Default defaults after upgrade. Click "Browse" button to select the new firmware file, and click Upgrade Firmware "Upgrade"...
  • Page 116: Backup And Restore

    UR52 & UR55 User Guide 4.5.5 Backup and Restore This section explains how to create a complete backup of the system configurations to a file, restore the config file to the router and reset to factory defaults. Figure 4-5-5-1 Backup and Restore...
  • Page 117 UR52 & UR55 User Guide Figure 4-5-6-1...
  • Page 118: Chapter 5 Application Examples

    It is strongly recommended that you change the default username and password of the administrator account when you log in Ursalink Router’s WEB GUI page at first time for the sake of security. Example: change the username and password of administrator account to “uradmin” and “URpassword”.
  • Page 119: System Time Management

    UR52 & UR55 User Guide Configuration procedures are listed as blow. Go to “System > User Management > User Management”. Click “ ” to add a new common user. Set “Username”, “Password”, and “Permission” as below. Click “Save” button, and then click “Apply” on the top-right corner to make the changes take effect.
  • Page 120 UR52 & UR55 User Guide Set up time by manual Go to “System > General Settings > System Time”, set time zone as “8 China (Beijing)” and Sync Type as “Set up Manually”. Select the correct local time. And click “Save” button.
  • Page 121: Backup And Restore Configuration

    UR52 & UR55 User Guide 5.4 Backup and Restore Configuration A. Backup Configuration Go to “Maintenance > Backup and Restore > Backup and Restore”. Click “Backup” button under “Backup running-config”. Then the current configuration file will be downloaded to the “Downloads” folder of the PC.
  • Page 122: Restore Factory Defaults

    UR52 & UR55 User Guide Related Topic Backup and Restore 5.5 Restore Factory Defaults 5.5.1 Via Web Interface Log in web interface, and go to “Maintenance > Backup and Restore”. Click “Reset” button under the “Restore Factory Defaults”. You will be asked to confirm if you’d like to reset it to factory defaults. Then click “Reset” button.
  • Page 123 UR52 & UR55 User Guide Then the router will reboot and restore to factory settings immediately.
  • Page 124: Via Hardware

    5.6 Firmware Upgrade It is suggested that you contact Ursalink technical support first before you upgrade router firmware. After getting firmware file from Ursalink technical support, please refer to the following steps to complete the upgrade. Go to “Maintenance > Upgrade”.
  • Page 125 UR52 & UR55 User Guide Click “Upgrade” and the router will check if the firmware file is correct. If it’s correct, the firmware will be imported to the router, and then the router will start to upgrade.
  • Page 126: Events Application Example

    UR52 & UR55 User Guide Related Topic Upgrade 5.7 Events Application Example Example In this section, we will take an example of sending alarm messages by email when the following events occur and recording the event alarms on the Web GUI.
  • Page 127 UR52 & UR55 User Guide Configure the corresponding parameters including email sending settings and recipients as below. Click “Save” and “Apply” button to make the changes take effect. To test the functionality of Alarm, please take the corresponding actions listed above.
  • Page 128: Schedule Application Example

    Related Topics Events Email Setting 5.8 Schedule Application Example Through schedule configuration, the UR52/UR55 can be set to reboot at preset time every day. Example Configure router to reboot at 0:00 every day. Configuration Steps Go to “Maintenance > Schedule > Schedule”.
  • Page 129: Logs And Diagnostics

    UR52 & UR55 User Guide 5.9 Logs and Diagnostics System log of the UR52/UR55 supports 3 types of output method, including Web and Remote Log Server. Application 1 Obtain system log on Web. Go to “Maintenance > Log > System log”, and you will see the log is listed in the box.
  • Page 130: Snmp Application Example

    System Log 5.10 SNMP Application Example Before you configure SNMP parameters, please download the relevant “MIB” file from the UR52/UR55’s WEB GUI first, and then upload it to any software or tool which supports standard SNMP protocol. Here we take “ManageEngine MibBrowser Free Tool” as an example to access the router to query cellular information.
  • Page 131 UR52 & UR55 User Guide Start “ManageEngine MibBrowser Free Tool” on the PC. Click “File > Load MIB” on the menu bar. Then select “BURSA-ROUTER-MIB.txt” file from PC and upload it to the software. Click the “+” button beside “URSA-ROUTER-MIB”, which is under the “Loaded MibModules” menu, and find “usCellularinfo”.
  • Page 132 UR52 & UR55 User Guide Go to “System > SNMP > MIB View”. Click to add a new MIB view and define the view to be accessed from the outside network. Then click “Save” button. Go to “System > SNMP > VACM”. Click to add a new VACM setting to define the access authority for the specified view from the specified outside network.
  • Page 133: Lan Management

    UR52 & UR55 User Guide Go to MibBrowser, enter host IP address, port and community. Right click “usCellular CurrentSim” and then click “FET”. Then you will get the current SIM info on the result box. You can get other cellular info in the same way.
  • Page 134: Network Connection

    If both cellular interfaces are enabled, SIM1 interface takes precedence as default. Example We are about to take an example of inserting a SIM card into SIM1 slot of the UR52/UR55 and configuring the router to get Internet access through cellular.
  • Page 135 UR52 & UR55 User Guide Click “Save” and “Apply” for configuration to take effect. Note: If you select “Auto”, the router will obtain ISP information from SIM card to set APN, Username, and Password automatically. This option will only be taken effect when the SIM card is issued from well-known ISP.
  • Page 136: Ethernet Wan Connection

    When both “WAN” and “Cellular” interfaces are enabled and available, cellular interfaces will take precedence by default. Example FE 0 of the UR52/UR55 is configured as “WAN”, and the port is connected with Ethernet cable to get Internet access. Configuration Steps...
  • Page 137 UR52 & UR55 User Guide Go to “Network > Interface > WAN” to configure WAN parameters. The following examples of static IP type, DHCP Client type, and PPPoE type are listed for your reference. (1) Static IP (2) DHCP Client...
  • Page 138: Wan Failover/Backup Application Example

    UR52 & UR55 User Guide Note: if you select PPPoE type, please check the “Username” & “Password” with your local ISP. Click “Save & Apply” button to make the changes take effect. Related Topic WAN Setting WAN Status 5.13 WAN Failover/Backup Application Example 5.13.1 Dual SIM Backup...
  • Page 139 UR52 & UR55 User Guide Enable “Dual SIM Strategy”, and configure the corresponding options as below. ICMP server can be configured as any reachable IP address. Then click “Save” and “Apply” button.
  • Page 140 UR52 & UR55 User Guide Go to “Status > Cellular”, and you will see the router is connected to the network via SIM1. You can remove SIM1 to make the router fail to connect to network via it. Go to “Status > Cellular”...
  • Page 141: Wan Failover

    UR52 & UR55 User Guide Now SIM2 becomes the main SIM, and SIM1 runs as the backup. The router won’t reconnect via SIM1 until SIM2 fails. Related Topic Cellular Setting Cellular Status 5.13.2 WAN Failover WAN failover involves in Ethernet WAN interface and cellular interface. Either can be used as main WAN interface.
  • Page 142 UR52 & UR55 User Guide Go to “Network > Interface > Cellular”, enable cellular settings and click “Save” button. Go to “Network > Link Failover > SLA” and configure SLA probe. The default probe type is ICMP. The destination address is the host address which can be probed by ICMP in public network or private...
  • Page 143 UR52 & UR55 User Guide Go to “Network > Link Failover > Track” for Track parameters configuration. You can use the default Track settings. Go to “Network > Link Failover > WAN Failover” and select “FE0” as main interface, “cellular0” as backup interface.
  • Page 144 UR52 & UR55 User Guide Check how WAN failover functions. (1) Unplug the Ethernet cable from FE 0 port of the router. Check the route table, and you will see the router access to the network via cellular0 interface (SIM).
  • Page 145: Wi-Fi Application Example (Only Applicable To Wi-Fi Version)

    UR52 & UR55 User Guide 5.14 Wi-Fi Application Example (Only Applicable to Wi-Fi Version) 5.14.1 AP Mode Application Example Configure UR52 as AP to allow connection from users or devices. Configuration Steps Go to “Network > Interface > WLAN” to configure wireless parameters as below.
  • Page 146: Client Mode

    UR52 & UR55 User Guide 5.14.2 Client Mode Application Example Configure UR52 as Wi-Fi client to connect to an access point to have Internet access. Configuration Steps Go to “Network > Interface > WLAN” to configure wireless as below. Click “Save” and “Apply” button after all configurations are done.
  • Page 147: Vrrp Application Example

    UR52 & UR55 User Guide 5.15 VRRP Application Example Application Example A Web server requires Internet access through the UR52 router. To avoid data loss caused by router breakdown, two UR52 routers can be deployed as VRRP backup group, so as to improve network reliability.
  • Page 148 UR52 & UR55 User Guide Configuration Steps Router A Configuration Go to “Network > Interface > WAN” and configure wired WAN connection as below. Go to “Network > Link Failover > SLA” and configure SLA probe. The default probe type is ICMP. The destination address is the host address which can be probed by ICMP in public network or private network.
  • Page 149 UR52 & UR55 User Guide Go to “Network > Link Failover > VRRP” and configure VRRP parameters as below. Router B Configuration Go to “Network > Interface > WAN” and configure wired WAN connection as below.
  • Page 150 UR52 & UR55 User Guide Go to “Network > Link Failover > SLA” and configure SLA probe. The default probe type is ICMP. The destination address is the host address which can be probed by ICMP in public network or private network.
  • Page 151: Static Routing Application Example

    UR52 & UR55 User Guide Go to “Network > Link Failover > VRRP” and configure VRRP parameters as below. Once you complete all configurations, click “Apply” button on the top-right corner to make changes take effect. Result: normally, A is the master router, used as the default gateway. When the power of Router A is down or Router A suffers from failure, Router B will become the master router, used as the default gateway.
  • Page 152 UR52 & UR55 User Guide Add static routing in A and B to make PC1 and PC2 communicate with each other. Configuration Steps Configure the Router A Go to “Network > Routing > Static Routing”. Click “ ” to set a new static routing parameters as below. Track ID can be null.
  • Page 153: Dynamic Routing Application Example

    UR52 & UR55 User Guide 5.17 Dynamic Routing Application Example Example The UR52 Router A and the UR52 Router B are connected with FE 0 (WAN) port. Refer to the below topological graph. Add dynamic routing in Router A and Router B to establish communication between PC1 and PC2.
  • Page 154 UR52 & UR55 User Guide Click “Save” and “Apply” button. Router B Configuration Go to “Network > Interface > WAN” and configure WAN parameters. Go to “Network > Interface > LAN” and configure LAN parameters.
  • Page 155 UR52 & UR55 User Guide Go to “Network > Routing > RIP” and configure dynamic routing parameters. Click “Save” and “Apply” button. Once you complete all configurations, PC1 and PC2 can communicate with each other. Related Topic RIP Setting...
  • Page 156: Nat Application Example

    UR52 & UR55 User Guide 5.18 NAT Application Example Example An UR52 router can access Internet via cellular. FE 1 port is connected with a Web server whose IP address is 192.168.1.2 and port is 8000. Configure the router to make public network access the server.
  • Page 157 UR52 & UR55 User Guide Configure interface list. Then click “Save” and “Apply” button. Related Topic...
  • Page 158: Qos Application Example

    UR52 & UR55 User Guide 5.20 QoS Application Example Example Configure the UR52 router to distribute local preference to different FTP download channels. The total download bandwidth is 75000 kbps. Note: the “Total Download Bandwidth” should be less than the real maximum bandwidth of WAN or cellular interface.
  • Page 159: Dtu Application Example

    UR52 & UR55 User Guide 5.21 DTU Application Example Example PLC is connected with the UR52 via RS232. Then enable DTU function of the UR52 to make a remote TCP server communicate with PLC. Refer to the following topological graph.
  • Page 160 UR52 & UR55 User Guide Configure TCP server IP and port. Once you complete all configurations, click “Save” and “Apply” button. Start TCP server on PC. Take “Netassist” test software as example. Make sure port mapping is already done. Connect the UR52 to PC via RS232 for PLC simulation. Then start “sscom” software on the PC to test...
  • Page 161 UR52 & UR55 User Guide communication through serial port. After connection is established between the UR52 and the TCP server, you can send data between sscom and Netassit. PC side...
  • Page 162: Pptp Application Example

    UR52 & UR55 User Guide TCP server side After serial communication test is done, you can connect PLC to RS232 port of the UR52 for test. Related Topic Serial Port 5.22 PPTP Application Example Example Configure the UR52 as PPTP client to connect to a PPTP server in order to have data transferred securely.
  • Page 163 UR52 & UR55 User Guide Configuration Steps Go to “Network > VPN > PPTP”, configure PPTP server IP address, username and password provided by PPTP server. Note: If you want to have all data transferred through VPN tunnel, check “Global Traffic Forwarding”...
  • Page 164 UR52 & UR55 User Guide If the PPTP server requires MPPE encryption, then you need to check “Enable MPPE” option. If the PPTP server assigns fixed tunnel IP to the client, then you can fill in the local tunnel IP and remote tunnel IP, shown as below.
  • Page 165 UR52 & UR55 User Guide Related Topics PPTP Setting PPTP Status [END]...

This manual is also suitable for:

Ur52

Table of Contents