Grandstream Networks DP750 Deployment Manual
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Table of Contents
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Summary of Contents for Grandstream Networks DP750
- Page 1 Grandstream Networks, Inc. DECT Deployment Guide...
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Page 2: Table Of Contents
Cell Coverage ..........................10 Single Floor Buildings ........................10 Multi Floor Buildings ........................12 Using DECT Repeater ......................... 12 Pairing DP760 with DP750 Base Station ..................12 Deploying DP760 Repeater ......................14 ON-SITE MEASURING ....................16 Installing Base Station ......................... 16 Using Handset for Reception Measurement .................. - Page 3 Figure 3: Single Floor Building Deployment ....................11 Figure 4: Wide Area Deployment ........................ 12 Figure 5: Enable Repeater Mode ........................ 13 Figure 6: DECT Repeater Status on DP750 ....................13 Figure 7: 5 Repeaters in Star ........................14 Figure 8: DP760 Deployment ........................15 Figure 9: RSSI Information..........................
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Page 4: Introduction
PBX. This guide illustrates the steps and recommendations to setup a DECT system using our DP750 base station, DP720 handset and the repeater DP760. Beside DECT and wireless aspects, it also addresses network requirements, capacity planning and measuring methods to ensure good coverage and call quality on customers sites. -
Page 5: Grandstream Ip Dect Solution
Faster and secure communication. Grandstream IP DECT Solution Grandstream offers a reliable IP DECT solution based on the combination of DP750 base station and DP720 handset along with a powerful DECT repeater DP760 which helps increase the coverage range when needed, the following tables list the major specifications of these devices:... -
Page 6: Table 1: Dp750 Specifications Overview
Table 1: DP750 Specifications Overview 5 DP720 handsets. DP750 10 SIP accounts. 10 Lines. 5 Concurrent calls. PoE power support. 300m range outdoor / 50m range indoor. Table 2: DP720 Specifications Overview DP720 ... -
Page 7: Site Planning And Considerations
Wireless Range The DP750 base station sends the wireless signal in all directions making the wireless coverage in a ring shape. The wireless range of a DP750 base station and DP760 Repeater are the following: Up to 50m indoors. -
Page 8: Table 4: Radio Attenuation For Different Materials
Figure 1: Attenuation Phenomenon The following table gives some general guidelines on the degree to which certain materials will obstruct the radio signal. Users need also to check if there are neighboring wireless networks operating on the same frequency band. Table 4: Radio Attenuation for different Materials Materials Degree of Attenuation... -
Page 9: Capacity Planning
Capacity Planning The following table resumes the number of concurrent calls supported on DP7xx Table 5: Number of Concurrent Calls DP750 base station 5 calls DP760 repeater 2 calls To avoid insufficient user experience through congested DECT network, the capacity for the DECT network must be large enough to guarantee that the subscribers can be reached in high density traffic. -
Page 10: Deployment Guide
Using Multiple Base Stations Cell Coverage As described before, the cell of a DP750 is ideally in a ring shape. But in real world situations, many obstructions can affect the signal and the coverage doesn’t reach all intended distance. Thus, prior measurements need to be performed in order to guarantee full coverage of the site. -
Page 11: Figure 3: Single Floor Building Deployment
Temporary BS Permanent BS Figure 3: Single Floor Building Deployment Step 3: Placement of the Next Base Stations Same procedure can be repeated again to determine best placement for next base station, users can mark critical points on the edge of the site where the signal from first base station is weak, then place temporary base stations in order to set intersection point of their coverage as the position for the next base station. -
Page 12: Multi Floor Buildings
Step 1: Enabling Repeater Mode on DP750 Before associating the DP760 DECT Repeater to your DP750 Base Station, you should firstly enable the repeater mode on your base station. Please refer following steps to enable the repeater mode on the DP750 base station:... -
Page 13: Figure 5: Enable Repeater Mode
Figure 5: Enable Repeater Mode Step 2: Open the Subscription Process Open the subscription on DP750 and DP760 either using the web GUI or via the Subscribe button. Make sure to install the DP760 next to DP750 to be discovered. -
Page 14: Deploying Dp760 Repeater
Deploying DP760 Repeater DP750 Base Station can support up to 5 DP760 DECT Repeater stations to extend the coverage area of the base in all directions. When the repeater powers on, it searches for signals from the base and any other repeaters registered to the same base and it will automatically connect to the strongest available signal. -
Page 15: Figure 8: Dp760 Deployment
We recommend having a distance within 50 meters between the repeater and the base, so that the repeater stays within the base range. DP720 DP750 DP720 Figure 8: DP760 Deployment P a g e DECT Deployment Guide... -
Page 16: On-Site Measuring
ON-SITE MEASURING Installing Base Station After planning the actual locations for the base stations, it is recommended to confirm the circumstances using on-site measurements. Usually, base stations must be spaced out at intervals of approximately 2.5m horizontally when deploying multiple bases and an ideal height between 2m and 2.5m. It is recommended as well to have base stations close to the center of the area as much as possible. -
Page 17: Test Calls And Optimization
Capacity in term of number of calls: users can make several concurrent calls and determine that the intended capacity is satisfied. Note: The DP750 Supports 4 concurrent calls. The DP720 supports 2 concurrent calls when using the DP760. After this is done, and with results of the signal strength measurements the user can mark any remaining dead spots on the site for optimization.