
Intel® Responsive Retail Sensor (RRS) Hx Series Sensor
August 2018
User & Installation Guide
Revision 0.4
Page: 39
9.3
Cabling Infrastructure
Poorly or incorrectly installed network cabling can cause numerous problems in the RRS-
Sensors network. However small it may appear, a problem with network cabling can
have a catastrophic effect on the operation of the network. Even a small kink in a cable
can cause an RRS to have intermittent connection with the RFID Gateway, and a poorly
crimped connector may compromise Power over Ethernet (POE) functionality.
If there is existing cabling in an installation, it should be tested first using a Fluke
Networks LSPRNTR-100 or equivalent device to insure proper RJ-45 connector pin out
and Power over Ethernet (POE) capability before using with to power an RRS.
9.3.1
Correct Wiring Standards
There are two wiring standards for network cabling: T568a and T568b.
DO NOT
COMBINE
T568a and T568b on the same cable!
Figure 16 T-568A vs. T-568B
RJ-45 connectors are designed for either stranded or solid cable, but usually not both.
Ensure use of the correct crimping tool for the specific type of connector. Ethernet
cables have four pairs of color-coded twisted wires (orange, green, blue and brown).
These cables are designed for high-speed data transfer with very little cross talk. It is
important that no more than about 6 mm of the cable is untwisted at either end.