EPA SM-Ethernet, User Manual, Page: 15 / 133

14
SM-Ethernet User Guide
Issue: 7
4 Electrical installation
4.1 SM-Ethernet module information
SM-Ethernet provides a standard RJ45 UTP/STP ( Un-shielded/Shielded Twisted Pair )
connection to a 10Mbs or 100Mbs Ethernet system. In addition to the RJ45 connector a
grounding tag is supplied for supplementary bonding. SM-Ethernet provides 4
diagnostic LEDs for status and information purposes.
Figure 4-1 SM-Ethernet terminals
Figure 4-1 shows an overview of the module connections and indicators. The default
mode for the RJ45 is crossover.
Figure 4-2 SM-Ethernet Module Layout
Table 4.1 RJ45 pin out details
RJ45
Terminal
Internal Crossover Disabled
(Pr MM.43 =0)
Internal Crossover Enabled
(Pr MM.43 =1)
1 TrVe RVe
2 Transmit -Ve Receive -Ve
3 RVe TrVe
4 - -
5 - -
6 Receive -Ve Transmit -Ve
7 - -
8 - -
Not used
Spade
connector
1 2 3 4 5 6 7 8
Not used
Tr
R
Not used
Transmit -
Receive -
Link / Activity
Speed (On = 100Mbs)
Module status
Not used
Flash access