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11 faults (j11), 12 data interface (j12) – Comtech EF Data D&I User Manual

Page 22

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D&I

Revision 0

Connectors ans Switches

MN/D-I.IOM

2–10

2.11 Faults (J11)

The Faults connection is an 8-position terminal block located at the front of the breakout
panel.

Signal Function

Name

Pin #

Ground GND

1,

5

Primary Common
Primary Norm/Open
Primary Norm/Closed

PRI–COM
PRI–NO
PRI–NC

2
3
4

Secondary Common
Secondary Normally Open
Secondary Normally Closed

SEC–COM
SEC–NO
SEC–NC

6
7
8

2.12 Data Interface (J12)

The data interface connection is a 50-pin female D connector located at the rear of the
breakout panel. Screw locks are provided for mechanical security of the mating
connector.

Signal Function

Name

Pin #

Ground GND

1,

2

Drop Data Input

DDI–A
DDI–B

34
18

External Clock

EXC–A
EXC–B

35
19

Insert Data Output

IDO–A
IDO–B

36
20

Drop Data Output

DDO–A
DDO–B

37
38

Terrestrial Tx Data
Terrestrial Rx Data

TER–TXDAT
TER–RXDAT

5
7

Insert Data Input

IDI–A
IDI–B

39
40

Primary Common
Primary Normally Open
Primary Normally Closed

PRI–COM
PRI–NO
PRI–NC

10
43
27

Secondary Common
Secondary Normally Open
Secondary Normally Closed

SEC–COM
SEC–NO
SEC–NC

11
44
28

Data Set Ready

DSR

48

Terrestrial ESC DSR

TER–ESC–DSR

41