Four-wire cable connection via rj-45 – Patton electronic 1080A-64 User Manual
Page 18

18
Four-Wire Cable Connection Via RJ-45
1. The RJ-45 jack on a Model 1080A Short Range Modem is prewired
for a standard TELCO wiring environment. To be sure you have the
right wiring, use the table below as a guide.
†Connection to ground is optional
2. Proper crossing of pairs between the two modems is as follows:
*Standard color codes—yours may be different
†Connection to ground is optional
3. AT&T standard modular color codes:
RJ-45
Signal
1
------------------
NC
2
------------------
GND†
3
------------------
RCV
4
------------------
XMT
5
------------------
XMT
6
------------------
RCV
7
------------------
GND
8
------------------
NC
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
1 - Blue
2 - Orange
3 - Black
4 - Red
5 - Green
6 - Yellow
7 - Brown
8 - Slate