11
Figure 4.
Model 2172 (Terminal Block) twisted pair line interface.
3.2 CONNECTING THE 10/100BASE-T ETHERNET INTERFACE
The shielded RJ-45 port labeled
Ethernet
is the Auto-MDIX10/100Base-
T interface. This port is designed to connect directly to a 10/100Base-T
network. Figure 5 shows the signal/pin relationships on this interface.
You may connect this port to a hub or PC using a straight through or
crossover cable that is up to 328 ft long.
Figure 5.
Model 2172 10/100Base-T RJ-45 Connector Pinout.
The Interconnecting cables shall be acceptable for
external use and shall be rated for the proper applica-
tion with respect to voltage, current, anticipated tem-
perature, flammability, and mechanical serviceability.
Eth
er
net
Pow
er
Made in the USA
RING
TIP
Rem Loc
CAUTION
1 TX+/RX+
2 TX-/RX-
3 RX+/TX+
4 (no connection)
5 (no connection)
6 RX-/TX-
7 (no connection)
8 (no connection)
1
2
3
4
5
6
7
8