15
HS RS-232
↔
60 MA CURRENT LOOP CONVERTER
11. Insert one captive screw through a saddle washer and then insert the
captive screw with the washer on it, through the hole in the DB25 end of
the case. Snap that side of the case closed. Repeat the process for the
other side. This completes the cable installation process.
4.1.2 T
WISTED
P
AIR
C
ONNECTION
U
SING
M
ODULAR
J
ACKS
The modular versions of the Converter have an RJ-11 or RJ-45 jack mounted
in the case. These jacks are prewired for a standard telco wiring environment.
To be sure you have the right wiring, use the table below as a guide.
RJ-11
SIGNAL
RJ-45
SIGNAL
1-------------------GND*
1-----------------------N/C
2-------------------RCV-
2-----------------------GND
3-------------------XMT+
3-----------------------RCV-
4-------------------XMT-
4-----------------------XMT+
5-------------------RCV+
5-----------------------XMT-
6-------------------GND
6-----------------------RCV+
7-----------------------GND
8-----------------------N/C
*Connection to ground is optional.
Figure 4-8. Modular Jacks.
1 - Blue
2 - Orange
3 - Black
4 - Red
5 - Green
6 - Yellow
7 - Brown
8 - Slate
1 - Blue
2 - Yellow
3 - Green
4 - Red
5 - Black
6 - White
