Installation
13-280121 Rev. C
Page 13
Wall Jack Wiring
Pin
#
S/T
Signal
U
Signal
Wire Color
T568 A
T568 B *
(AT&T
258A)
5
Tx-
Ring
WHT-BLU
WHT-BLU
4
Tx+
Tip
BLU
BLU
1
unused
unused
WHT-GRN
WHT-ORN
2
unused
unused
GRN
ORN
3
Rx+
unused
WHT-ORN
WHT-GRN
6
Rx-
unused
ORN
GRN
7
-48V
-48V
WHT-BRN
WHT-BRN
8
GRD
GRD
BRN
BRN
•
T568 B jacks are recommended
; they allow conventional station pair ordering when connecting to
S/T punchdown blocks on NT1 racks.
Use Category 3 or better unshielded twisted pair cable for all premises wiring.
Modular Jack Pinout