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Tx waveguide switch interface, j4, M&c interface, j5 – Comtech EF Data CSAT-5060 User Manual

Page 46

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C-Band Transceiver

Revision 1

Redundant Systems

MN/CSAT5060.IOM


5–4

5.1.1.5

Tx Waveguide Switch interface, J4

The J4 interface connector (6-pin) provides the control and indicator signals between the
Tx Waveguide Switch and the RSU-5060.

Table 5-5. Tx Waveguide Switch Signal Description (Connector J4)

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 COMMON

Passive

Grounded internal to RSU-5060

F

POS B INDICATOR Input

Shorted to Pin E = POSITION B

5.1.1.6

M&C Interface, J5

The J5 interface connector (19-pin) provides the communications and control signals
between the RSU-5060 and the customer M&C system.

Table 5-6. M&C Signal Description (Connector J5)

Pin

Signal Name

Type

Description

A

RS485 RX+

Pass-thru

RS-485 Rx+, From M&C to CSAT A&B

B

RS485 RX-

Pass-thru

RS-485 Rx-, From M&C to CSAT A&B

C

RS485 TX+

Pass-thru

RS-485 Tx+, To M&C from CSAT A&B

D

RS485 TX-

Pass-thru

RS-485 Tx-, To M&C from CSAT A&B

E

B ONLINE CLOSED Output

Shorted to Pin K = CSAT B Online

F n.c.

G n.c.

H n.c.

J n.c.

K IND/FLT

COMMON

Input

L

A FAULT OPEN

Output

Shorted to Pin K = CSAT A Faulted

M

B FAULT OPEN

Output

Shorted to Pin K = CSAT B Faulted

N n.c.

P

RED AUTO/MAN

Input

Ground = Manual, Open = Auto

R n.c.

S

A ONLINE CLOSED Output

Shorted to Pin K = CSAT A Online

T GROUND

Passive

U GROUND

Passive

V

SWITCH CMD

Input

Momentary short to GND, otherwise OPEN