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Standard color codes yours may be different
◊The Model 1080ARC is not sensitive to polarity
Figure 8. AT&T standard modular color codes
Table 29: RJ-11/2-Wire
SIGNAL PIN# COLOR COLOR PIN# SIGNAL
XMT+◊ 3 Green‡ Green 3 XMT+
XMT- 4 Red Red 4 XMT-
Table 30: RJ-45/2-Wire
SIGNAL PIN# COLOR COLOR PIN# SIGNAL
XMT+◊ 4 Red‡ Red 4 XMT+
XMT- 5 Green Green 5 XMT-