Filter
Top Products
24
Note The Model 1080ARC communicates in a closed data circuit with
another Model 1080ARC or other compatible modem. Dial-up
analog circuits, such as those used with a standard Hayes-type
modem, are not acceptable. For further information about
acceptable wire grades, please refer to the diagrams in
Appendix B on page 34.
Point-to-Point Twisted Pair Connection
The 6-position RJ-11 and 8-position RJ-45 jack options for the Model
1080ARC are prewired for a standard TELCO wiring environment. Con-
nection of a 2-wire or 4-wire twisted pair circuit between two or more
Model 1080ARCs requires a crossover cable as shown in Table 27,
Table 28, Table 29, Table 30 and Figure 8.
Connection to ground is optional
Standard color codes yours may be different
◊The Model 1080ARC is not sensitive to polarity
Table 27: RJ-11/4-Wire
SIGNAL PIN# COLOR COLOR PIN# SIGNAL
GND† 1 Blue‡ White 6 GND
RCV-◊ 2 Yellow Red 4 XMT-
XMT+ 3 Green Black 5 RCV+
XMT- 4 Red Yellow 2 RCV-
RCV+ 5 Black Green 3 XMT+
GND 6 White Blue 1 GND
Table 28: RJ-45/4-Wire
SIGNAL PIN# COLOR COLOR PIN# SIGNAL
GND† 2 Orange‡ Brown 7 GND
RCV-◊ 3 Black Green 5 XMT-
XMT+ 4 Red Yellow 6 RCV+
XMT- 5 Green Black 3 RCV-
RCV+ 6 Yellow Red 4 XMT+
GND 7 Brown Orange 2 GND