Tranzeo EX2 User Guide Covers the following models: EX2-8 Document No.: TR2029 Revision: Firmware: 3.0.4(TZ)1 Date: 2011-05-20...
Page 2
Document Revisions: Version 2.0 September 3, 2010 Version 3.0 May 20, 2011 Tranzeo Wireless Technologies Inc. 19473 Fraser Way Pitt Meadows, BC Canada V3Y 2V4 Toll Free Number: 1.866.872.6936 Technical Support: 1.888.460.6366 General Inquiries: info@tranzeo.com Local Number: 1.604.460.6002 Sales: sales@tranzeo.com Fax Number: 1.604.460.6005...
In case of harmful interference, the users will be required to correct the interference at their own expense. The users should not modify or change this device without written approval from Tranzeo Wireless. Modification will void warranty and authority to use the device.
Page 4
If the ground is to be attached to an existing electrical circuit, turn off the circuit before • attaching the wire. Use only Tranzeo Power over Ethernet (POE) adapter approved for this model. • Never install radio equipment, surge suppressors or lightning protection during a storm.
The LEDs are located on the side of the device, while the Ethernet port is located under the cover along with the RESET button. The external antenna connector is at the top of the EX2 radio, while the product information is located at the back. External N-male connector...
Tranzeo Wireless Technologies Chapter 1: Overview LED Panel Indicators Operational Info Color Indicators On: Power on ● Green Off: No power ● Blinking: Initializing Amber On: Ethernet connection established ● Flashing: Ethernet traffic (Tx/Rx) Green Off: No Ethernet connection ●...
Chapter 2: Hardware Installation Chapter 2: Hardware Installation The EX2 Series radios are easy to install, as you’ll see in this chapter. Before starting, you will need to get the tools listed below and decide about the site and orientation of the device. Once ready, follow the instructions about how to install the Ethernet cable, mount the device, ground the antenna, and make the connections in order to get a proper installation.
In this position, the internal antenna polarization is vertical. Power Supply Only use a power adapter approved for use with the EX2 Series radio. Otherwise, the product may be damaged and will not be covered by the Tranzeo warranty. Restore Factory Defaults To restore factory defaults, press and hold the RESET button for more than 5 seconds or until the PWR LED turns yellow, then release.
Tranzeo Wireless Technologies Chapter 2: Hardware Installation Installing the Ethernet Cable Step 1: Remove the bottom cover by firmly sliding it off with your hand. Step 2: Plug the CAT5 Ethernet cable into the RJ-45 port. NOTE: The cable and RJ-45 connectors should be wired following the EIA/TIA T568B standard.
Tranzeo Wireless Technologies Chapter 2: Hardware Installation Mounting the Radio Step 4: Unlock the ring clamp using the screw driver, and route through the back of the unit as shown in the picture. Step 5: Fit the radio to the pole by firmly tightening the ring clamp.
Tranzeo Wireless Technologies Chapter 2: Hardware Installation Connecting an External Antenna Step 7: Remove the protective rubber cap to expose the N-type male connector. Step 8: Power down the radio by unplugging the Ethernet cable. Step 10: Carefully attach the antenna cable to the N-type...
Step 9: To configure the EX2 Series radio, connect an Ethernet cable to the LAN port on the POE adapter and to a computer. Ensure that the distance between the POE and the radio does not exceed 150ft (45m) when using the supplied 12VDC adapter.
Tranzeo Wireless Technologies Chapter 2: Hardware Installation Best Practices Follow these practices to ensure a proper installation and grounding. Always try to run long Cat 5 and LMR cables inside of the mounting pole. • This helps to insulate the cable from any air surges.
Tranzeo Wireless Technologies Chapter 3: Configuration Chapter 3: Configuration The EX2 Series radios can be configured through an HTML configuration interface, accessible using any Internet browser. The configuration interface allows you to define and change settings, and also provides information about the performance of the device.
Tranzeo Wireless Technologies Chapter 3: Configuration Login into the Configuration Interface After defining the network settings, follow these steps to login into the Tranzeo Configuration Interface. Open your Internet browser (Internet Explorer, Netscape, or Firefox). 2. In the address bar, type the unit’s IP address. The default IP address is 192.168.1.1.
Tranzeo Wireless Technologies Chapter 3: Configuration Web Interface The menu system is divided into five main sections: Status • System • Wireless • Management • Tools • Each section contains navigation links to additional configuration windows, some of which may be different, depending on which Network and Wireless Modes are selected.
Tranzeo Wireless Technologies Chapter 3: Configuration System Menu Basic Settings It is recommended that you first configure the Basic Settings under the System menu: Specify the network name of the device. It can be up to 15 Device Name: characters long, and may only include characters (A-Z, a-z), numbers (0-9), or hyphen (-).
PC to be able to reconnect to this device after making changes in this page. Note: Refer to Appendix I for details on how to change the IP address of your device using Tranzeo’s Victor utility program. EX2 Series...
Tranzeo Wireless Technologies Chapter 3: Configuration Router IP Settings Use this page to specify the IP settings for the WAN and LAN in Router network mode. WAN Settings Specify whether to use Static IP, DHCP, or PPPOE to access the WAN Access Type: Internet.
Page 23
Tranzeo Wireless Technologies Chapter 3: Configuration LAN/WAN Interfaces in Router Mode: • In AP mode, WAN is on the Ethernet port, and LAN is on the wireless interface. • In Wireless Client mode (CPE), LAN is on the Ethernet port, while WAN is on the wireless interface.
Tranzeo Wireless Technologies Chapter 3: Configuration Time Settings The device is NTP compliant, so it’s capable of synchronizing its time with the Internet time. Use this page to configure this feature. If a time server is not available, then manually specify the correct time.
Tranzeo Wireless Technologies Chapter 3: Configuration RADIUS Settings RADIUS (Remote Authentication Dial-In User Service) is a centralized server for remote user authentication and provisioning. Use this page to configure the RADIUS server settings. Specify the IP address of the RADIUS server.
Tranzeo Wireless Technologies Chapter 3: Configuration Firewall Settings The firewall is a system or group of systems that enforce an access control policy between two networks. It may also be defined as a mechanism to protect a trusted network from an un-trusted network. The EX8 Series supports Source IP Filtering, Destination IP Filtering, Source Port Filtering, Destination Port Filtering, Port Forwarding, UDP Pass Through, and DMZ.
Tranzeo Wireless Technologies Chapter 3: Configuration Destination IP Filtering Enable destination IP filtering to block access to certain websites. Enable Destination IP Filtering: Specify the IP address of the website to be restricted, Local IP Address: Add a comment to remind you of why this website has been Comment: restricted.
Tranzeo Wireless Technologies Chapter 3: Configuration Source Port Filtering Enable source port filtering to block certain types of applications Enable Source Port from accessing the Internet. Filtering: Specify the source port range to be restricted. Port Range: Specify the protocol to be restricted.
Tranzeo Wireless Technologies Chapter 3: Configuration Destination Port Filtering Enable destination port filtering to block certain types of Enable Destination applications from accessing the Internet. Port Filtering: Specify the destination port range to be restricted. Port Range: Specify the protocol to be restricted.
Tranzeo Wireless Technologies Chapter 3: Configuration Port Forwarding Enable port forwarding to redirect common network services to a Enable Port specific device behind the NAT firewall. Forwarding: Specify the IP address of the device on the local area network to IP Address: redirect services to.
Tranzeo Wireless Technologies Chapter 3: Configuration UDP Pass-through Enable UDP Pass-through to allow all UDP packets to be passed Enable UDP Pass through the firewall. through: 151515 3-15 EX2 Series This document is intended for Public Distribution 19473 Fraser Way,...
Tranzeo Wireless Technologies Chapter 3: Configuration DMZ (Demilitarized Zone ) Enable DMZ to provide unrestricted access to the Internet to a Enable DMZ: specified host IP address. Specify the DMZ host IP address and press Apply Changes to DMZ Host IP Address: save settings.
Press the more… to configure up to 15 additional virtual AP’s. Disable broadcast SSID to make your AP hidden from other Broadcast SSID: wireless devices. The EX2 products support both 802.11b/g only mode or 802.11b/g/ 802.11 Mode: n mode. Enable HT (High Throughput) protection to ensure HT HT Protect: transmission with MAC mechanism.
Page 34
Tranzeo Wireless Technologies Chapter 3: Configuration Select the frequency channel to be used, or set to Auto in AP or Frequency/Channel: AP Repeater modes to allow the device to select the best available channel. Note: The channel list may vary depending on the country selection.
Tranzeo Wireless Technologies Chapter 3: Configuration Site Survey Available in Wireless Client mode only. It is a tool to scan for available wireless access points to associate with. Press the Site Survey button next to the Wireless Mode setting to open this page.
Tranzeo Wireless Technologies Chapter 3: Configuration Profile Settings The EX2-8 supports up to 16 virtual access points with separate SSID and security settings Profile 1 is always enabled. Select the check for the corresponding Profiles 1-16: profile to enable it, then click on the profile name to configure each profile separately.
Page 37
Tranzeo Wireless Technologies Chapter 3: Configuration Security Settings In this section you can configure the wireless security settings for your device. The security settings for each virtual AP/SSID can be set independently. The following types of wireless Network Authentication are supported Open System: Allow any device to join the network Shared Key: Data encryption and key are required to access wireless nework.
Tranzeo Wireless Technologies Chapter 3: Configuration VAP Profile Settings Basic Settings Specify the name if the VAP profile. Profile Name: Specify a unique virtual SSID for each VAP profile. Wireless Network Name (SSID): Disable broadcast SSID to make your AP hidden from other wireless Broadcast SSID: devices to avoid malicious attacks.
Tranzeo Wireless Technologies Chapter 3: Configuration Wireless Advanced Settings This window displays the advanced wireless configuration of the device. The contents are slightly different for access point and CPE. Enable A-MPDU/A_MSDU aggregation to reduce protocol timing A-MPDU/A-MSDU overheads and enhance throughput.
Page 40
Tranzeo Wireless Technologies Chapter 3: Configuration This is the rate at which the access point broadcasts its beacons. Beacon Interval: The DTIM interval (Delivery Traffic Indication Message) helps to DTIM Interval: keep marginal clients connected by sending wake up frames.
Tranzeo Wireless Technologies Chapter 3: Configuration Wireless Access Control This feature is available in AP and AP Repeater modes only. This window allows you to further enhance the security of your network by defining an “Allow” or a “Deny” list.
Tranzeo Wireless Technologies Chapter 3: Configuration WDS Settings This window is available in Bridge and AP Repeater modes only. The Wireless Distribution System (WDS) is a modification to the 802.11 standards that allows access points to communicate directly with each other. WDS allows users to spread out coverage to a larger area without the need for a backhaul link.
Chapter 3: Configuration Management Menu Remote Settings The EX2 supports a number of remote management protocols/tools includ- ing Telnet, SNMP, FTP, SSH, Force HTTPS, and WISE to facilitate secure remote management. Select Normal or Secure to enable the correspond- ing level of security. Select Customized to manually enable desired meth- ods.
Tranzeo Wireless Technologies Chapter 3: Configuration Configure SNMPv3 User Profile Use this page to configure the SMNP v3 administrator and use profiles. Enable SNMP v3 administrator/user profile. Enable SNMPv3Admin/User: Specify the SNMPv3 administrator/user username. User Name: Specify the SNMPv3 administrator/user password.
Tranzeo Wireless Technologies Chapter 3: Configuration CoovaChilli Settings CoovaChilli is an open-source software access controller that provides a captive portal / walled-garden environment and uses RADIUS or an HTTP protocol for access provisioning and accounting, ideal for hotspot deploy- ments. Use this page to enable and configure the necessary CoovaChilli settings.
Tranzeo Wireless Technologies Chapter 3: Configuration Upgrade Firmware This page allows you to upgrade the firmware using any web browser lo- cally or remotely via any IP network or the Internet. Press Browse to select new firmware file to upgrade the device Select File: with.
Tranzeo Wireless Technologies Chapter 3: Configuration Configuration File This page allows you to save current settings to a file or load previously saved settings from a file, reset settings to factory defaults, and to remotely reboot the device. Press Save to back up current settings to a Save Settings to File: configuration file.
Tranzeo Wireless Technologies Chapter 3: Configuration Password Settings & Disabling Victor Use this page to change the admin password of the device. Specify a new admin password. New Password: Note: The password is case sensitive and can’t contain spaces or more than 19 characters.
Tranzeo Wireless Technologies Chapter 3: Configuration Certificate Settings Use this page to upload/delete user certificate. To delete a user certificate, select it from the list, then press Delete. Delete User Certificate: Press Browse to select a user certificate file to be uploaded, then Import User Certificate: press Import.
Tranzeo Wireless Technologies Chapter 3: Configuration Tools Menu The EX2 Series of products feature several advanced monitoring and trou- bleshooting tools including System Log and Ping Watchdog. System Log This page displays current system log and allows you to enable a remote syslog server.
Tranzeo Wireless Technologies Chapter 3: Configuration Ping Watchdog This page allows you to configure the Ping watchdog to enable the device to automatically reboot when a loss of connectivity is detected. Select to enable ping watchdog. Enable Ping Watchdog: Specify the IP address of the remote device to ping.
Tranzeo Wireless Technologies Chapter 3: Configuration Data Rate Test This tool allows you to test the link quality at each data rate. For each data rate, the link quality is evaluated with different packet sizes, and the local and remote RSSI levels are displayed. This feature is only available in WDS mode (AP Repeater and Bridge modes).
Tranzeo Wireless Technologies Chapter 3: Configuration Antenna Alignment Use this page to monitor the link quality when aligning the antenna. This tool is only available in WDS mode. Select the MAC address of the remote WDS device, then press Start to display the signal strength.
Tranzeo Wireless Technologies Chapter 3: Configuration Speed Test Use this page to test the network speed between this device and another device on the same network. Specify the IP address, username, and password of the remote device, and the link direction that you want to test (Transmit, Receive, or Duplex), then press Test to start the test.
Tranzeo Wireless Technologies Chapter 3: Configuration Status Menu This section displays information about the status and performance of your radio. Information This page displays the current status and some device settings. Press Refresh to display the latest status and settings.
Tranzeo Wireless Technologies Chapter 3: Configuration Connections This page displays the current connection status for each associated device. The MAC Address, IP Address, RSSI, and Association Time are listed for each device. Uou may need to press Refresh to display the latest status.
Tranzeo Wireless Technologies Chapter 3: Configuration Statistics This page shows the transmitted and received packet counters for both the wireless link and Ethernet port. Press Refresh to display the latest status. Specify the poll interval refresh time in seconds. Poll Interval:...
Tranzeo Wireless Technologies Chapter 3: Configuration ARP Table This page shows the ARP table. It lists the IP Address, MAC Address, and the corresponding network interface for each entry. Press Refresh to display the latest status. 424242 3-42 EX2 Series...
Tranzeo Wireless Technologies Chapter 3: Configuration Bridge Table This page shows the bridge table. It lists the MAC Address, network interface type, and connection timer for each entry. Press Refresh to display the latest status. 434343 3-43 EX2 Series This document is intended for Public Distribution 19473 Fraser Way, Pitt Meadows, B.C.
Tranzeo Wireless Technologies Chapter 3: Configuration DHCP Clients This page shows the assigned IP Addresses, MAC Addresses, and the Expired timer in seconds for each DHCP lease. Press Refresh to display the latest status. 444444 3-44 EX2 Series This document is intended for Public Distribution 19473 Fraser Way, Pitt Meadows, B.C.
Tranzeo Wireless Technologies Chapter 3: Configuration Network Activities This page shows the real-time throughput load graphs for the wireless and Ethernet interfaces. Press Refresh to clear the graphs and start again. 454545 3-45 EX2 Series This document is intended for Public Distribution 19473 Fraser Way, Pitt Meadows, B.C.
This radio exceeds International Standard IEC 61000-4-5 when properly grounded. For a copy of the full testing report, see Report Number TRL090904 - Tranzeo Surge Protection board located on the Tranzeo website (www.tranzeo.com). Is lightning damage covered by the warranty? No.
Page 63
Tranzeo Wireless Technologies Appendix A Where to ground the device? This radio must be grounded at the pole and at the POE. This is because the radio is between the exterior antenna and the POE ground. See the examples below.
Page 64
Tranzeo Wireless Technologies Appendix A Grounded POE (For Optional TR-SUR-001 POE Only) In this case, the surge will be picked up by the Cat 5 cable and since the POE is grounded, the route for the surge is through the POE to ground.
Tranzeo Wireless Technologies Appendix B Appendix B: WMM Quality of Service (QoS) Wi-Fi Multimedia (WMM refers to QoS over Wi-Fi). QoS enables Wi-Fi access points to prioritize traffic and optimizes the way shared network resources are allocated among different applications. Without QoS, all applications running on different devices have equal opportunity to transmit data frames.
Tranzeo Wireless Technologies Appendix C Appendix C: Protocol List Keyword Protocol Keyword Protocol Authentication Header for IPv6 HOPOPT IPv6 Hop-by-Hop Option I-NLSP Integrated Net Layer Security ICMP Internet Control Message SWIPE IP with Encryption IGMP Internet Group Management NARP NBMA Address Resolution...
Page 67
Tranzeo Wireless Technologies Appendix C Keyword Protocol Keyword Protocol IFMP Ipsilon Flow Management Simple Message Protocol PNNI PNNI over IP Protocol Independent Multicast Performance Transparency ARIS ARIS ISSIS ISIS over IPv4 FIRE SCPS SCPS CRTP Combat Radio Transport CRUDP Combat Radio User Datagram...
Tranzeo Wireless Technologies Appendix D Appendix D: Common TCP Ports Visit http://www.iana.org/assignments/port-numbers for a full list of well known port numbers. Keyword Port Description ECHO Echo SYSTAT Active Users QOTD Quote of the day Message Send Protocol FTP-DATA File Transfer (Data Channel)
Tranzeo Wireless Technologies Appendix E Appendix E: Channel Allocations The following tables list the channel numbers and center frequencies used for 802.11b/g/n. Note that while all of these frequencies are in the unlicensed ISM and U-NII bands, not all channels are available in all countries. Many regions impose restrictions on output power as well as indoor and outdoor use on some channels.
TIA/EIA-568-B is a set of standards for cabling telecommunications products and services. Follow these standards, as described in the diagram below, to wire the Cat 5 cable during installation of the Tranzeo radio (see Step 3 in Chapter 2: Hardware Installation - Installing the Ethernet Cable).
Tranzeo Wireless Technologies Appendix G Appendix G: Routing Quick Start Guide What do you mean by a routable subnet? To many people, routing can be a black art. So many explanations of routing explain the binary logic behind it, but not how to actually use it. This document is designed to offer some practical advise on routing based on some of the common questions our customers ask us.
Page 72
Tranzeo Wireless Technologies Appendix G So what is a Router? Note: The following is a super simple explanation of a router. Routers are like a bad boss, they either shout out information to anyone within earshot or they if don’t know what to do with the information, they pass the information on to someone else to deal with.
Page 73
Internet, you can make use of Private IP and NAT. Let’s keep it simple for now, and use some default values. The Tranzeo Radio uses the default IP address of 192.168.1.1, and a sub net mask of 255.255.255.0 (or /24) and issues IP addresses using DHCP on that subnet.
Page 74
Tranzeo Wireless Technologies Appendix G Public IP’s to less than 10 Clients Through One Radio Assuming that you have a full Class C sub net, 216.129.68.X, you have 254 possible IP’s to use, from 1 to 254. The Subnet mask for this can be written as 255.255.255.0 or /24. However, you want to give each client a public IP.
Page 75
Tranzeo Wireless Technologies Appendix G Public IP’s to multiple Clients Through One Radio Assuming that you have a full Class C sub net, 216.129.68.X, you have 254 possible IP’s to use, from 1 to 254. The Subnet mask for this can be written as 255.255.255.0 or /24. However, you want to give each client a public IP.
Page 76
Tranzeo Wireless Technologies Appendix H Appendix H: Point to Point Install Checklist The following are some of the steps you should go through when planning a Point to Point link. Step 1: Finding the Location Free Space Loss Determine the 2 endpoint locations.
The Tranzeo Victor Program is a utility that allows users to quickly locate and change the IP address of Tranzeo radios. It sends out a broadcast on the network and displays a list of other Tranzeo radios connected, from which you can configure the IP address for your device.
Page 78
Detail requests are timing out. Victor uses the system browser by default. IF you Web Browser: wish to use an alternative browser to access your Tranzeo Radios, enter the full path to the alternative browser here. The EX2 Series uses TDP (Tranzeo Discovery Protocol: Protocol).
Tranzeo Wireless Technologies Appendix K Appendix J: Tranzeo Electrical Plugs Electrical Plug Type Letter Description FCC / North American adapter ETSI / Euro adapter FCC / Euro adapter ETSI / UK adapter FCC / UK adapter * 24 volt version shown.
During the first 3 years of ownership, should a valid warranty claim arise, Tranzeo will repair or replace the unit at no cost to the user. After the first 3 years, Tranzeo will further warranty the material and workmanship for an additional 2 years.
Page 82
Special Warranty Terms For Customers in Canada, USA and the European Union 8. All RMA items shipped to Tranzeo Wireless must be freight prepaid. Tranzeo Wireless will pay the return freight via a service of Tranzeo Wireless Technologies’ choice. Customer is responsible for payment of any shipping upgrades.
Page 83
If the malfunction is due to an issue not covered by warranty, a $35.00 evaluation fee will be charged, plus the actual costs of the repair. Tranzeo's current shop rate is $70.00 per hour, plus parts. f. When your unit is returned to you, you must restore configuration and or applications before full use can resume.
Page 84
* Note: PacificNet is an authorized Repair Center for its Customers in Mexico Out of Warranty Replacements a) Product that is out warranty will be repaired on a fee for service basis at Tranzeo's shop rate of $75.00 per hour plus parts. A $75.00 deposit is charged for all non- warranty repairs when the RMA is issued.
Page 85
Goods Damaged in Transit Tranzeo Wireless Technologies ships all items FOB Factory. This means that title for the item transfers to the buyer once the courier picks up the package. If there is damage, a claim must be filed with the courier by the owner of the goods, which is the buyer.
Page 86
Tranzeo Wireless Technologies Appendix K Making a Damage Claim If you receive a shipment that appears to have been damaged by the shipper dur- ing shipping, take the steps on the on the box then contact us so we have a rec- ord of the incident.
Tranzeo Wireless Technologies Appendix L Appendix M: How Can We Improve? Please take a moment to help us improve your experience with Tranzeo Wireless. Please fax the completed questionnaire to 604-460-6005. Each month we will draw for a free gift. Product Quality...
Page 88
Tranzeo Wireless Technologies Appendix M Appendix M: SSH Commands Keyword Descriptions √ √ time --time setting √ -now --current system time √ √ -zone --time zone √ √ -NTPUpdate -- NTP Update √ √ -servertype --server type √ √ √...
Page 89
Tranzeo Wireless Technologies Appendix M √ √ -staticgateway --static gateway ip address √ √ -staticdns1 --static dns1 √ √ -staticdns2 --static dns2 √ √ dhcpclienthost- --dhcp client hostname name √ pppoecon- --pppoe connect status nectstatus --obtains from pppoe √ -pppoelocalip server √...
Page 90
Tranzeo Wireless Technologies Appendix M √ -HTprotect --HT protect √ -wireless frequency/channel √ √ -frequency/channel (depends on country and wireless mode) √ √ -power --power √ √ -rate --rate √ √ -antenna --antenna type √ √ -antennaGain --antenna gain setings √...
Page 94
Tranzeo Wireless Technologies Appendix N Appendix N: GPL Declaration PUBLIC SOFTWARE DECLAMATION In the software we delivered, there may contains some public software, if it is, please read below carefully: 1. Definition “Public Software”, when applicable, shall mean that portion of the Licensed Software, in source code form, set forth in the below Table, and provided under the terms set forth in the Section 5, the indicated website, the complete li- cense terms can be found.
Page 95
Tranzeo Wireless Technologies Appendix N Program Copy Right Description Origin Sour e Licenses or Distribu- License Terms Website Name Code tion Models or its Reference special license terms U-boot Wolfgang Denk, DENX Soft- ftp://ftp.denx.de/ GNU GENERAL GNU GENERAL PUBLIC LI-...
Page 96
Tranzeo Wireless Technologies Appendix N Igmpproxy Copyright (C) 2005 http:// GNU GENERAL PUBLIC http://www.gnu.org/licenses/old- Johnny Egeland sourceforge.net/ LICENSE Version 2 licenses/gpl-2.0.html <johnny@rlo.org> projects/ igmpproxy/files/ igmpproxy/0.1/ igmpproxy- 0.1.tar.gz/ download Dnrd Copyright (C) 1998 http:// GNU GENERAL PUBLIC http://www.gnu.org/licenses/old- Brad M. Garcia sourceforge.net/...
Need help?
Do you have a question about the EX2 and is the answer not in the manual?
Questions and answers