DH-PFM880 User Manual DaHua All Right Reserved 5.8GHz Wireless Bridge/CPE/AP Model: DH-PFM880 User Manual Version： 1.0.
DH-PFM880 User Manual DaHua All Right Reserved Contents Versions .................................................................................................................. 3 References ............................................................................................................. 4 Purpose .................................................................................................................. 4 Notes .........................................................................
DH-PFM880 User Manual DaHua All Right Reserved 7.6 Static Routes ................................................................................................................ 28 7.7 Traffic Shaping ............................................................................................................ 28 7.8 VLAN Settings .............................................................................................................. 29 8 Advanced ...................................................
DH-PFM880 User Manual DaHua All Right Reserved FIGURE 20 WIRELESS................................................................................................................................. 23 FIGURE 21 CONNECTION FIGURE OF ROUTER MODE .................................................................................... 25 FIGURE 22 NETWORK-ROUTER MODE ........................................................................................................ 26 FIGURE 23 FIREWALL .......................
DH-PFM880 User Manual DaHua All Right Reserved References Purpose This document is proposed for the users of DH-PFM880 devices, helping them to configure the device and list the troubleshooting, so that the devices can be used successfully quickly. This document mainly contains the following parts: hardware information, web configuration menu descriptions, network configuration examples, and troubleshooting. It can help the customers quickly be familiar with the devices and use them correctly.
DH-PFM880 User Manual DaHua All Right Reserved 1 Product Overview DH-PFM880 is a powerful WIFI Bridge/AP/CPE device, which allows WIFI access and video/audio/data transmission device, enables long-range, fast speed and robust wireless connections. XTrans technology, DH-PFM880 has the advantages of long-distance, high-throughput, and between point-to-multi-point performance. XTrans technologies include TDMA, 5M/10M/20M/40MHz bandwidth, intelligent rate control, Auto ACK Time-Out Adjust and so on.
DH-PFM880 User Manual DaHua All Right Reserved The longest transmission distance of DH-PFM880 can be as far as 25 km, and the max throughput can be 300Mbps，which satisfy the needs of most of the applications. 3. Embedded hardware watchdog DH-PFM880 is embedded with hardware watchdog, which is used to monitor the working status of the device. Once the system is not working properly, the DH-PFM880 device can be rebooted to guarantee the stability of the system. 4.
DH-PFM880 User Manual DaHua All Right Reserved 1.2 Electrical Specifications The electrical specifications are shown are the following table: Table 3 Electrical Specifications W I Items Specifications Standard IEEE802.11 a/n（2T2R 300Mbps） Operation Frequency 5.745～5.825 GHz(More Non-standard channels is Modulation Mode 802.11 a/n: OFDM Antenna 16dBi Antenna size R E L E S S availability,4920MHz-6100MHz) Weight Device:212.6*212.6*55mm, ANT:450*140*35mm Device:2.8kg ANT:1.
DH-PFM880 User Manual DaHua All Right Reserved T Mode W Security MAC/IP filter, SSID hidden A Network protocol TCP/UDP/ARP/ICMP/DHCP/HTTP/NTP TDMA Supported (Avoid 802.11 hidden-node problems, and improve the point-to-multi-point performance) Auto ACK timing Adjust Supported Management and Logs NTP, SNMP, Syslog, Telnet Web based Configuratio n Supported Firmware Update Supported Bandwidth supported 5M/10M/20M/40MHz R E 1.3 Features y High performance 802.
DH-PFM880 User Manual DaHua All Right Reserved y Web based working scenario selection makes the installation and setting much easier y Reliable PoE power supply, support 802.3af standard y Web-based configuration, easy to use y Waterproof housing and accessory kit protects 1.4 Using Example The DH-PFM880 usage example are shown in Figure 1, it can be used as WIFI AP, CPE, or outdoor PTP, PTMP topology.
DH-PFM880 User Manual DaHua All Right Reserved 1.5 Applications DH-PFM880 can be used widely in the following applications: y Wireless video surveillance (free-way, city, police, oil pipeline, forest and etc.) y Carrier wireless backhaul and rural area internet last-mile wireless solution y Enterprise local area network inter-connection y WIFI signal coverage and rural wireless coverage 1.
DH-PFM880 User Manual DaHua All Right Reserved To make DH-PFM880 work well in all kinds of complicated outdoor environment, the installation is very important. If it’s not installed well, the wireless link quality will be affected, and the long-term working stability cannot be guarantee too. Package contents: Open the package carefully, and make sure that none of the following items listed are missing： y One DH-PFM880 device y One 802.
DH-PFM880 User Manual DaHua All Right Reserved Installation of DH-PFM880 can follow the below steps: 1. Take all the contents from the package 2. Mount DH-PFM880 in a mast, and then fix the device on the mast as shown in Figure 5. 3. After the DH-PFM880 is fixed on the mast, protect the Ethernet cable using the water-proof connector. Figure 4 Water-proof connector and the Ethernet cable 4. Screw the water-proof connector well on the DH-PFM880 shell. Figure 5 DH-PFM880 installation on a mast 2.
DH-PFM880 User Manual DaHua All Right Reserved Figure 6 Connections at Bridge mode 3 Quick Configuration This chapter describe how to configure the device quickly. 3.1 Log in To log in the DH-PFM880 device, user needs to configure the TCP/IP of your computer first as the following steps: 1、Right click Local Area Connection icon of your computer and click properties, then click Continue, the Local Area Connection Properties dialog box appears as Figure 7.
DH-PFM880 User Manual DaHua All Right Reserved Figure 7 Local Area Connection Properties 2、Select Internet Protocol (TCP/IP) and click Properties button, and the following dialog box appears： Page 14
DH-PFM880 User Manual DaHua All Right Reserved Figure 8 IP settings 3、In the above Figure 8, IP address should be set to 192.168.1.*, here * can be a number between 1-255 (but not 36) since the DH-PFM880 default IP address is 192.168.1.36. 4、When the above IP setting is done, input the default IP 192.168.1.36 into the address bar of your web browser, and the following log in interface appears as shown in Figure 9.
DH-PFM880 User Manual DaHua All Right Reserved Figure 9 Log in interface 3.2 Quick Configuration of the Device The users will see how to configure the DH-PFM880 device quickly in this chapter. 1、 The first page shown after log in is the Status page, which indicates the working status, current setting, software version and other information of the DH-PFM880 device. User can switch to other pages by clicking the left main menus in Figure 10.
DH-PFM880 User Manual DaHua All Right Reserved wants to configure the device to Router mode, please click Network in the main menu. Note: If several DH-PFM880 devices are connected in the Point-to-Point or Point-to-Multi-Point topologies, they must be configured to different IP address to avoid collisions. Figure 11 Wizard-Network 3 、 After finishing the Wizard-Network settings, click next and it goes to Wizard-Wireless page shown in Figure 12. The most used wireless mode are Access Point and Station.
DH-PFM880 User Manual DaHua All Right Reserved Figure 12 Wizard-Wireless 3、click “Next”, The last page of Wizard is shown in Figure 13. User can click Change to save all the settings, and then click Apply the make the setting effective, or click Last to modify the previous settings. Figure 13 Wizard-Finish 4 TDMA Currently, most of the outdoor bridge products are developed based on 802.
DH-PFM880 User Manual DaHua All Right Reserved TDMA technology solves the problems of hidden-node problem in the 802.11 network infra-structure. 5M/10M/20M/40MHz bandwidth can be flexibly configured by the uses in different working scenario to achieve the best link quality. Intelligent rate control algorithm can be adapted to quick channel quality variations, while stabilize the wireless throughput, thus suitable for long-distance transmission.
DH-PFM880 User Manual DaHua All Right Reserved Figure 15 Status 5.1 Status All the configurations in Status page is shown in Table 5. Table 5 Configurations shown in Status Items Description Items Description Device Name of the device , for example: DH-PFM880 WIFI MAC WIFI MAC of this device Firmware Version Software version number Channel mode Wireless communication protocol, for example, 802.
DH-PFM880 User Manual DaHua All Right Reserved between two associated devices Signal level It indicates the signal strength of the device Link Quality Quality of the connection link Tx/Rx Rate The date rate of current device during sending and receiving data. Time The real-time 5.2 Monitor Throughput：The figure here monitors the real-time throughput of the wireless link, shown in the following Figure 16.
DH-PFM880 User Manual DaHua All Right Reserved Bridge Table：It lists all the devices that communicate through the DH-PFM880 device. ARP Table ： It lists the IP address and MAC address of the devices that communicate through the LAN port of the DH-PFM880 device. AP/Station Information: Showing the status information of the associated devices.
DH-PFM880 User Manual DaHua All Right Reserved Figure 20 Wireless Wireless Mode: There are totally 5 wireless modes, including: Station, Access Point, WDS Station, WDS Access Point and WDS Repeater. Access Point: Access point. Station (or Client): A client device that can connected to an AP. WDS Station: Use WDS feature to link multiple APs in a network, all associated stations from any AP can communicate with each other like in ad-hoc mode. WDS station means this device is a station in WDS mode.
DH-PFM880 User Manual DaHua All Right Reserved Frequency MHz：This only appears when the device is configured to Access Point mode or WDS Access Point mode. The device can only work on one channel at the same time. Frequency Scan List：This only appears when the device is configured to Station mode or WDS Station mode. If it’s not enabled, the station will scan all the channels which both the device and the country code allowed and then choose the same channel as the associated AP.
DH-PFM880 User Manual DaHua All Right Reserved 7 Network 7.1 Router mode DH-PFM880 acts as a router when configured to Router mode. In router mode, the connection is shown in Figure 21. User needs to connect the PoE port of PoE adaptor to the PoE port of the DH-PFM880. After the above connection, the DH-PFM880 can work as a router. The LAN port of PoE adaptor acts as the WAN port of the router. Figure 21 Connection figure of router mode The Network page is shown in Figure 22.
DH-PFM880 User Manual DaHua All Right Reserved Figure 22 Network-Router mode WAN Mode：WAN mode can be configured to DHCP, Static IP or PPPoE. When set to DHCP, the device can dynamically get the IP address. When set to Static IP, user needs to manually set the IP address, Netmask, Gateway IP and other information. WAN IP：WAN IP address. It should be set to the same segment of IP address of the internet provided by ISP, please check with the ISP for this information.
DH-PFM880 User Manual DaHua All Right Reserved 7.2 Bridge mode In Bridge mode, there is no WAN port. The LAN port of the PoE adaptor, and the LAN2 port of the DH-PFM880 device can all be the LAN port, and the user can choose one of them to use as LAN port. Please refer to Figure 6 for the connections in Bridge mode, and the IP address/Netmask information setting is the same as Router mode. 7.
DH-PFM880 User Manual DaHua All Right Reserved 7.6 Static Routes This feature can be set to static routing. 7.7 Traffic Shaping Traffic shaping is used to control the traffic of ingress/egress based on each network port. As shown in figure 24, the ingress of wlan0 is limited to 1024Kbps, and the egress is limited to 2048Kbps. That means the receiving rate of the wireless link is limited within 1Mbps, the sending rate is limited to less than 2Mbps.
DH-PFM880 User Manual Ingress DaHua All Right Reserved Throughput when reach stable Rate Limit(kbps) Burst(kBytes) （Mbps） Description 10000 0 10000 10 10000 100 10000 1000 10000 10000 8.6 From 28.5 down to stable 10000 40000 8.6 29.587 Unlimited 4.286 Stable 8.037 Oblique up to stable 8.825 From 9.5 down to stable Hold on 10 seconds at 29.
DH-PFM880 User Manual DaHua All Right Reserved Figure 25 VLAN Setting(1) Bridge function is needed to use together with VLAN. As show below, we add VLAN 10 on port eth0 and wlan0, they are eth0.10 and wlan0.10, and put them into the same bridge. The packets from eth0.10 or wlan0.10 will be added a VLAN label which ID is 10. That requires: the opposite wireless connection side must support VLAN 10, the device which connects with eth0 is also need to support VLAN 10.
DH-PFM880 User Manual DaHua All Right Reserved Figure 27 Common Usage 8 Advanced The Advanced page is shown in Figure 28. Figure 28 Advanced Auto ACK-Timeout Adjust：It is suggested to enable this function, so that the distance between 2 DH-PFM880 devices can be detected and all the related parameters can be optimized to achieve the best link quality.
DH-PFM880 User Manual DaHua All Right Reserved Distance: The distance can be set manually if the Auto ACK-Timeout Adjust is disabled, otherwise, the distance parameter is not allowed to be set. It is suggested the distance is set automatically by enabling Auto ACK-Timeout Adjust parameter. Aggregation: It enables several data frames of 802.11 to be aggregated and transmitted out, thus improve the throughput. In default, it’s enabled. Multicast Data: function.
DH-PFM880 User Manual DaHua All Right Reserved Figure 29 System Backup configuration ： When clicking Download button, the current configuration can be backed up to a file. Upload configuration：When clicking browse, user can choose the backup configuration file and then click upload, so that the configuration stored in the backup file can be applied. Firmware update：Click browse button and choose the file, and then click update button, the firmware can be updated to the latest version.
DH-PFM880 User Manual DaHua All Right Reserved For default, all the factory settings are shown in the following table. Table 6 Main parameters at the factory settings Items Default Settings IP address 192.168.1.36 User name admin Password admin Wireless mode AP SSID DaHua Output power 27dBm Encryption WPA->WPA2->CCMP->Password：1234567890abc Network mode Bridge Mode Device name：It can be set to any name needed. Login Timeout：Login Timeout setting.
DH-PFM880 User Manual DaHua All Right Reserved Figure 30 Tools Ping IP： User can input the destination IP address of another device, and click Ping button. If that destination device is successfully connected to the DH-PFM880 device, the result shows Alive, otherwise shows Not Alive.
DH-PFM880 User Manual DaHua All Right Reserved ping a user-defined IP address (for example, it can be the IP address of the AP the Client is connecting to). If it is unable to ping under the user defined constraints, the DH-PFM880 device will automatically reboot. It is highly recommended that users enable this feature at the side of “Wireless Station” and disable this feature at the side of “Access Point”. Ping IP Address：Specify an IP address of the target which will be monitored by Ping Watchdog.
DH-PFM880 User Manual DaHua All Right Reserved client Server: when it is a server, it waits client to connect. Client: when it is a client, it sends connect request to server. IPERF dual: client sends and receive signal at same time. IPERF Server: Server IP address. IPERF Thread: the number of iperf thread. If using more thread, the throughput is high. IPERF Time: how long the iperf run. IPERF Interval: the time between two results show.
DH-PFM880 User Manual DaHua All Right Reserved Figure 30 AC NMS 12 Logout Click the logout button, it will logout the device and return to the login page. 13 Network Configuration Examples 13.1 AP and Station Network In the point-to-point working scenario, user can configure one DH-PFM880 device to AP, and another to station mode, shown in Figure 32. Figure 31 AP and Station network To make the above network working, user need to configure the two devices to be associated.
DH-PFM880 User Manual DaHua All Right Reserved 1. Configure the two devices to bridge mode, disable the firewall, and set different LAN IP for the two devices, the LAN IP should be on the same segment. 2. In wireless menu, configure one device to AP mode and the other one to station mode, set the same SSID, the same channel bandwidth (20MHz for default), and set the same encryption and password for both of the devices. 3. After the above setting is done, wait for a while.
DH-PFM880 User Manual DaHua All Right Reserved y Configure WDS AP and WDS Repeater frequency to be the same, for example: 5825MHz y Configure the encryption method and password to be the same. 3. To verify if the network is correctly setup, please use the computer connected to one of the three devices to ping the IP of any of the other two devices. If the ping is successfully, the network connection works correctly. 13.
DH-PFM880 User Manual DaHua All Right Reserved Note: LAN IP address and WAN IP address can not be in the same IP segment. For example, if LAN IP is 192.168.1.*, then WAN IP must be set to 192.168.2.* or 192.168.3.*. 2. In wireless page, set wireless mode to Access Point, set SSID to a random name, and set output power to a value needed(Max output power is recommended in the outdoor long distance environment). Then the user needs to choose a wireless channel and an encryption method. 3.
DH-PFM880 User Manual DaHua All Right Reserved 1. Adjust the direction of the DH-PFM880 device. Please rotate the DH-PFM880 device since the antenna inside the device is directional. 2. Switch to other wireless channel Switch to other wireless channel ‘cause there are much interferences in this channel. 3. Turn off the other interference sources Maybe there are other WIFI devices nearby and cause interferences. Try to turn off other WIFI devices nearby, or move DH-PFM880 to another clean environment. 4.
DH-PFM880 User Manual DaHua All Right Reserved connection, when ping from one device to another, the latency is too long or the packet is lost. 1. Isolate the several APs if they are connected to one PoE switch. 2. The RJ45 ports are not connected very well. 7. The internet access is lost and the internet speed is low. 1. There are too much stations connected to one AP. 2. AP signal is too week. 3. There are interference source nearby. 4.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. Please take attention that changes or modification not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
