Proxim Tsunami 800 Series Hardware Installation Manual page 81

3.4 MP-8160-CPE-A100
This section provides the hardware overview and installation method for MP-8160-CPE.
3.4.1 Hardware Overview
A detailed description about the various components of the device are explained in the following sections.
3.4.1.1 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/Cat5e 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/Cat5e or better cable connected to the Ethernet port.
Maximum power supplied to the device is 19.2 Watts. The device typically draws 5 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.
3.4.1.2 Grounding Point
To protect the device against lighting or ESD events, you must ground the device properly. To ensure proper grounding, use
the grounding point situated at the bottom corner of the device and the grounding screw (M4 thread size) provided to attach
a ground wire of at least 12 AWG stranded to the device.
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Tsunami 800 and 8000 Series - Hardware Installation Guide
Figure 3-34 MP-8160-CPE
Recommended Ethernet Cable Specifications
Cat5/5e or better, 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 Personal Computer 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
81