RAD Data comm E1 User Manual

Page of 46
FOM-E1/T1 Installation and Operation Manual 
Chapter 5  FOM-E1/T1/R Card Version 
 
Installing the FOM-E1/T1/R Card 
5-5 
5.4  Installing the FOM-E1/T1/R Card 
Setting Internal Jumpers and Switches 
The FOM-E1/T1/R internal jumpers and switches are similar in their functionality 
to those of the standalone unit, as detailed 
 illustrates the FOM-E1/T1/R PCB layout. 
INPUT
OUTPUT
SW1
SW3
GROUNDED
GROUNDED
FLOATING
FLOATING
AIS
SW4
ON
OFF
FU
SE
2
5
0
V
1A
FU
SE
2
5
0
V
50 mA
JP6
JP5
JP4
JP3
JP2
JP1
100 ohm
BAL
T1
75 ohm
UNBAL
120 ohm
BAL
CEPT
 
  
Figure 5-4  FOM-E1/T1/R PCB Layout