Proxim Tsunami Multipoint MP-820-BSU-100 Installation Manual page 72

3.3 MP-8150-CPE / QB-8150-LNK-12/50
This section provides the hardware overview and installation method for the following products:
MP-8150-CPE
QB-8150-LNK-12/50
3.3.1 Hardware Overview
A detailed description about the various components of the device are explained in the following sections.
3.3.1.1 Ethernet Port (PoE IN and Data)
The device comes with auto-sensing 10/100 BASE-T Ethernet port with configurable Tx modes and speeds.
The Ethernet port of the device allows the user to connect to the LAN by using Cat5/5e or better Ethernet cable, and also
power ON the device by using the Power over Ethernet (PoE) Injector supplied with the product package.
The device receives 48 VDC via a standard Cat5/5e or better cable connected to the Ethernet port.
Maximum power supplied to the device is 19 Watts. The device typically draws 7 Watts.
Type
Impedance
Cable Length 330 feet / 100 meters
: Always use a straight cable from PoE to the device. When you use a 4-pair cross over ethernet cable, the reload
functionality gets activated and forcibly deletes the operating image.
3.3.1.2 Serial Port
The Serial Port is used for debugging and management of the device through Command Line Interface (CLI).
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Tsunami 800 and 8000 Series - Hardware Installation Guide
Figure 3-27 MP-8150-CPE / QB-8150-EPR-12 / QB-8150-EPR-50
Recommended Ethernet Cable Specifications
Cat5/5e or better cable, STP, 24 AWG, UL rated, UV-shielded and outdoor-rated
100 ohms
: The total length of cabling between the Personal Computer and the device
cannot exceed 100 meters (includes cable from the PC to the PoE, and the
cable from the PoE to the device. Due to DC power requirements, the
maximum cable length between the PoE Injector and the device is 75 meters.
8000 Series - Hardware Overview and Installation
72