6 Installing the BSR This chapter describes the installation of the WipLL Base Station Radio (BSR), which is installed at the Base Station. Warning: This device must not be co-located or operating in conjunction with any other antenna or transmitter. Note: The maximum cable length between the BSR and terminating equipment is 100 meters. 6.1. Basic Design and Physical Dimensions The BSR is encased in a chassis providing access to the BSR’s communication ports on the front panel.
Installing the BSR Hardware Installation Guide Serial port Data, synchronization, and power port Figure 6-1: BSR front panel (built-in antenna model) The BSR’s physical dimensions are described in Table 6-1 Table 6-1: BSR physical dimensions Parameter 6-2 Value Height 400 mm (15.74 inches) Width 317 mm (12.48 inches) Depth 65.5 mm (2.58 inches) Weight 4.7 kg Comment The BSR’s physical dimensions exclude the mounting kit Airspan Networks Inc.
Hardw are Installation Guide Installing the BSR 6.2. Mounting The BSR can be mounted on a wall or pole. The BSR is mounted using the mounting holes located on the BSR’s bottom panel (see Figure 6-2) and the mounting bracket (provided by Airspan). Mounting holes Figure 6-2: BSR bottom panel providing holes for mounting Note: The BSR must be mounted in a location whereby the antenna used for the BSR is not co-located or operated in conjunction with any other antenna or transmitter.
Installing the BSR Hardware Installation Guide 6.2.1. Minimum Distance Between BSRs To prevent radio interference, each BSR requires a minimum of 1-metre separation between adjacent BSRs (see Figure 6-3). 1 Metre min. Figure 6-3: Minimum separation between mounted BSRs Warning: To avoid RF interference between BSRs operating in the 700 MHz, where four BSRs are installed at a Base Station, a 1-meter separation must be provided between the antennas of the BSRs operating in the lower frequencies (i.e.
Hardw are Installation Guide Installing the BSR 6.2.2. Wall Mounting BSR wall mounting is performed in two stages: Attaching the mounting bracket to the BSR’s mounting holes Attaching the mounting bracket (attached to the BSR) to the wall To mount the BSR on a wall: 1. Attach the mounting bracket to the BSR using two stainless steel bolts, as shown in Figure 6-4.
Installing the BSR Hardware Installation Guide Note: Airspan does not provide screws for attaching the mounting bracket to the wall. The screw size depends on the structure of the building to which the bracket is to be attached. When selecting screw sizes, consideration must be given to the weight of the BSR and load that may be induced in windy conditions. 8mm 58mm 99mm Figure 6-5: BSR mounting bracket dimensions for the four fixing holes 3.
Hardw are Installation Guide Installing the BSR Rotation is restricted to the horizontal plane only. The permissible rotation is shown in Figure 6-6. Figure 6-6: Horizontal rotation of the BSR Note: A thread-locking compound is to be used to prevent the bolts working loose. 02030311-07 Airspan Networks Inc.
Installing the BSR Hardware Installation Guide 6.2.3. Pole Mounting The BSR can be mounted on a pole (see Figure 6-7). Pole mounting allows the BSR to be adjusted in the horizontal and vertical planes. The pole-mounting bracket is designed to support the BSR on a round pole of 45 mm in diameter. Figure 6-7: Pole-mounted BSR 6-8 Airspan Networks Inc.
Hardw are Installation Guide Installing the BSR To mount the BSR on a pole: 1. Attach the mounting bracket to the BSR using two stainless steel bolts. Locking Holes BSR mounting Bracket Clamping Bracket Pivot Hole ‘U’ Bolt Figure 6-8: BSR mounting bracket assembly 2. Attach the clamping bracket to the mounting bracket using two M8 stainless bolts. 3.
Installing the BSR Hardware Installation Guide 4. Adjust the vertical position of the BSR. Lock the BSR at the desired position by inserting the locking bolt in the desired position. Once the correct angle has been set both bolts must be tightened to lock the BSR bracket in place. 5. Adjust the horizontal position of the BSR by rotating the BSR about the pole, and then tighten the U-bolt. BSR positioning is obtained in two planes by adjustment of the mounting bracket assembly a shown in Figure 6-9.
Hardw are Installation Guide Installing the BSR 6.3. Connecting Third-Party External Antennas (Optional) A third-party external antenna can be attached to the BSR model providing an Ntype port. The addition of an external antenna allows greater RF sector coverage than the standard BSR Internal Antenna model (i.e., 60°). The BSR with an external antenna is especially suited for Base Stations with one BSR, where sector coverage can be increased to 360° by using an omni-directional antenna.
Installing the BSR Hardware Installation Guide The following lists the BSR-to-third party antenna cable setup: Cable (third party): RF coaxial Connector (third party): N-type male (two N-type connectors for BSR model for 900 MHz band. The N-type socket labeled Primary is used only if one antenna is connected. If you are using two antennas for diversity coverage, attach the second antenna to the other N-type socket.
Hardw are Installation Guide Installing the BSR To connect the BSR to a thrid-party external antenna: Attach the third-party N-type male connector, at the end of the RF cable, to the N-type socket located on the BSR’s front panel, as displayed in Figure 6-10. Notes: 1) For crimping cables for N-type connectors, see Appendix B, “Cable Crimping”. 2) Ensure that the third-party antenna cable is of sufficient quality to reduce or eliminate loss when operating in the required frequency band.
Installing the BSR Hardware Installation Guide 6.4. Cabling for Serial Configuration The BSR provides an RS-232 port for serial interface to a PC. This serial interface allows you to perform local BSR configuration. Notes: 1) For serial configuration, the BSR must remain connected to the BSDU/SDA (i.e., the BSR’s 15-pin D-type port remains connected to the BSDU’s/SDA’s 15pin D-type port).
Hardw are Installation Guide Installing the BSR To connect the BSR to a PC for serial configuration (see Figure 6-11): 1. Connect the 9-pin D-type male connector, at one end of the serial cable, to the BSR’s serial port, labeled Serial. 2. Connect the 9-pin D-type female connector, at the other end of the serial cable, to the PC’s serial port. 02030311-07 Airspan Networks Inc.
Installing the BSR Hardware Installation Guide Figure 6-11: BSR-to-PC serial connection 6-16 Airspan Networks Inc.
Hardw are Installation Guide Installing the BSR 6.5. Connecting to an Ethernet Switch The BSR connects to the provider’s backbone network through either the WipLL BSDU or WiPLL SDA Ethernet switch, depending on the Base Station’s configuration: Base Station consisting of a single BSR: connection to the backbone may be through an SDA Base Station consisting of multiple BSRs: connection to the backbone is through a BSDU. 6.5.1.
Installing the BSR Hardware Installation Guide Connector pinouts: Table 6-3: BSR-to-SDA cable connector pinouts Straight-through CAT-5 UTP PVC 4 Pair 24 AWG cables 15-pin D-type male BSR Wire color Wire pair SDA Pin Function 1 +48 VDC Blue / White 2 -48 VDC Blue Tx+ Orange / White Tx- Orange 4 Rx+ Green / White 5 Rx- Green 6 Sync.+ Brown / White 7 Sync.- Brown 3 4 5 6 7 8 1 Pin Function 1 +48 VDC 2 -48 VDC 3 2 3 4 8 15-pin D-type male Rx+ RxTx+ TxSync.+ Sync.
Hardw are Installation Guide Installing the BSR WipLL uses the following wire color-coding standard for CAT 5 cables (8 wires used) connecting outdoor radio units to indoor Ethernet hubs or switches: Figure 6-12: WipLL wire color-coding for 15-pin D-type connectors Note: The wires are twisted together in pairs, for example, blue/white with blue, and orange/white with orange. This prevents electrical interference between the transmitter pins.
Installing the BSR Hardware Installation Guide To connect the BSR to the provider's backbone through an SDA: 1. Connect the 15-pin D-type male connector, at one end of the CAT 5 cable, to the BSR’s 15-pin D-type port labeled DATA POWER SYNC. 2. Connect the 15-pin D-type male connector, at the other end of the CAT 5 cable, to the SDA. 3. Connect the SDA to the provider's backbone. Note: For a detailed description of the SDA models, see Chapter 9, “Installing the SDA”. 6-20 Airspan Networks Inc.
Hardw are Installation Guide Installing the BSR Figure 6-13: Connecting BSR to provider's backbone through an SDA 02030311-07 Airspan Networks Inc.
Installing the BSR Hardware Installation Guide 6.5.2. Through a BSDU For Base Stations consisting of multiple BSRs, the power supply and interface to the backbone network is provided by the BSDU. The BSR’s 15-pin D-type port is connected to one of the six BSDU’s rear panel 15-pin D-type ports (labeled BSR #). Note: For a detailed description of the BSDU, see Chapter 5, “Installing the BSDU”.
Hardw are Installation Guide Installing the BSR Connector pinouts: Table 6-4: BSR-to-BSDU cable connector pinouts Straight-through CAT-5 UTP PVC 4 Pair 24 AWG cables 15-pin D-type male BSR Wire color Wire pair BSDU Pin Function 1 +48 VDC Blue / White 2 -48 VDC Blue Tx+ Orange / White Tx- Orange 4 Rx+ Green / White 5 Rx- Green 6 Sync.+ Brown / White 7 Sync.- Brown 3 4 5 6 7 8 1 Pin Function 1 +48 VDC 2 -48 VDC 3 2 3 4 8 15-pin D-type male Rx+ RxTx+ TxSync.+ Sync.
Installing the BSR Hardware Installation Guide To connect the BSR to the backbone through a BSDU (Figure 6-14): 1. Connect the 15-pin D-type male connector, at one end of the CAT 5 cable, to the BSR’s 15-pin D-type port labeled DATA POWER SYNC. 2. Connect the 15-pin D-type male connector, at the other end of the CAT-5 cable, to one of the six BSDU’s 15-pin D-type ports labeled BSR, located at the rear of the BSDU. 3.
Hardw are Installation Guide Installing the BSR Figure 6-14: BSR-to-BSDU cable connection 02030311-07 Airspan Networks Inc.
Installing the BSR Hardware Installation Guide 6.6. Connecting DC Power The BSR is powered by the SDA or BSDU, depending to which unit the BSR is connected. The power is supplied through the BSR’s 15-pin D-type port, which is connected to the SDA or BSDU. The BSR’s power requirements are described in Table 6-5.
