User's Manual

Table Of Contents
Installation 19
RJ-45 Connector Cards:
1 Ensure that anti-static precautions are taken.
2 Make note of the orientation of the cables and disconnect them from the selected card.
3 Using a Phillips screwdriver, fully loosen the two screws located at the top and bottom of the
card.
4 Remove the card by firmly pulling the two white tabs located at the top and bottom of the
card.
5 See Figure 2-5 to locate jumpers P8 through P11.
6 Set the signal grounding to the Transmit or Receive Side.
Jumpers P8, P9, P10 and P11 control the signal grounding. Placing the jumper across Pins 1
and 2 sets the corresponding ground; otherwise the jumper should be placed across Pins 2
and 3.
The following table shows the jumper assignments:
Figure 2-4 Identify 75 Ohm E1 Cards
IW093203
RX
RX
TX
TX
ON
LINE
PWR
FLT
RS-232
E1-0
E1-1
BNC
PORT 1
12
PORT 0
12
ALARMS
FLT
ON
LINE
PWR
ALARMS
RJ-45