RAD Data comm T1 - Manual (Page 37)

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
Table 5-1 .
Figure 5-4 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