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Xsat unit a interface, j1, Rx waveguide switch interface, j2, 1 xsat u – Comtech EF Data XSAT-7080 User Manual

Page 60

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XSAT7080 X-Band Transceiver

Revision 0

Redundant Systems

MN/XSAT7080.IOM

5-4

5.2.1.1 XSAT U

NIT

A I

NTERFACE

, J1

The J1 interface connector (19-pin) provides the communications and control signals as well as
the +24 VDC power signal necessary between XSAT Unit A and the RSU-5060.

Table 5-3. XSAT A Signal Description (Connector J1)

Pin Signal Name

Type

Description

A

RS485 RX+

Pass-thru RS-485 Rx+, From M&C to XSAT Unit A

B

RS485 RX-

Pass-thru RS-485 Rx-, From M&C to XSAT Unit A

C

RS485 TX+

Pass-thru RS-485 Tx+, To M&C from XSAT Unit A

D

RS485 TX-

Pass-thru RS-485 Tx-, To M&C from XSAT Unit A

E n.c.

F

REDUND_FLT*

Output

Fault Signal to XSAT A from RSU-5060

G n.c.

H AUXCOM_RD

Output RS2332

from RSU-5060 to XSAT A

J

AUXCOM_TD

Input

RS232 from XSAT A to RSU-5060

K FAULT

COMMON

Output

L

XSAT A FLT – NO Input

Shorted to pin K = O.K. , open = Faulted

M n.c.

N n.c.

P POSITION

A*

Output Ground

= A Online, Open = A Offline

R

A +24V

Input

+24VDC input power

S

REDUNDANCY A* Output

Ground signal to XSAT A

T GROUND

Passive

U GROUND

Passive

V n.c.

5.2.1.2 R

X

W

AVEGUIDE

S

WITCH INTERFACE

, J2

The J2 interface connector (6-pin) provides the control and indicator signals between the Rx
Waveguide Switch and the RSU-5060.

Table 5-4. Rx Waveguide Switch Signal Description (Connector J2)

Pin Signal Name

Type

Description

A

POS A CMD

Output

24 VDC, 350 millisecond, Command Pulse

B

CMD RETURN

Passive Grounded internal to RSU-5060

C

POS B CMD

Output

24 VDC, 350 millisecond, Command Pulse

D

POS A INDICATOR Input

Shorted to Pin E = POSITION A

E

IND COMMOM

Passive Grounded internal to RSU-5060

F

POS B INDICATOR Input

Shorted to Pin E = POSITION B