Table 2-2. d&i breakout panel switch selections, Figure 2-2. d&i daughter card schematic – Comtech EF Data D&I User Manual
Page 15
D&I
Revision 0
Connectors ans Switches
MN/D-I.IOM
2–3
Table 2-2. D&I Breakout Panel Switch Selections
Signal Function
Name
Switch
Switch #
Position
Unbalanced Drop Data Input
DDI
S1
1, 2/3, 4
ON/OFF
Balanced Drop Data Input
DDI
S1
1, 2/3, 4
OFF/ON
Unbalanced Drop Data Output
DDO
S1
5, 6/7, 8
OFF/ON
Balanced Drop Data Output
DDO
S1
5, 6/7, 8
ON/OFF
Unbalanced Insert Data Input
IDI
S2
1, 2/3, 4
OFF/ON
Balanced Insert Data Input
IDI
S2
1, 2/3, 4
ON/OFF
Unbalanced Insert Data Output
IDO
S2
5, 6/7, 8
OFF/ON
Balanced Insert Data Output
IDO
S2
5, 6/7, 8
ON/OFF
Unbalanced Ext. Reference Clock
EXC
S3
1, 3/2, 4
OFF/ON
Balanced Ext. Reference Clock
EXC
S3
1, 3/2, 4
ON/OFF
Drop Output/Insert Input Loopback
DDO/IDI
S4
N/A
UP
Normal
S4
N/A
DOWN
Drop Data Output DCE/DTE Select
DDO
S5
N/A
UP
DCE/DTE
S5
N/A
DOWN
NOTE
S1 through S5 are ON in the down position (toward PCB).
8
15
7
14
6
13
5
12
4
11
3
10
2
9
1
J3
DB15
INSERT
DATA
INPUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
JP1
HEADER 8X2
8
15
7
14
6
13
5
12
4
11
3
10
2
9
1
J1
DB15
DROP DATA INPUT/
INSERT DATA OUTPUT/
EXT REF CLK
Figure 2-2. D&I Daughter Card Schematic