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Comtech EF Data RCS20 User Manual

Page 129

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RCS20 M:N Redundancy Switch

Revision 15

Electrical Interfaces

MN-RCS20 and CD-RCS20

5–29

5.5.1.2.15 J36 | DMD3

The J36 | DMD3 port is used for connecting to the prime modem 3 receive IF.

5.5.1.2.16 J37 | DMD4

The J37 | DMD4 port is used for connecting to the prime modem 4 receive IF.

5.5.1.2.17 J38 | DMD5

The J38 | DMD5 port is used for connecting to the prime modem 5 receive IF.

5.5.1.2.18 J39 | DMD6

The J39 | DMD6 port is used for connecting to the prime modem 6 receive IF.

5.5.1.2.19 J40 | DMD7

The J40 | DMD7 port is used for connecting to the prime modem 7 receive IF.

5.5.1.2.20 J41 | DMD8

The J41 | DMD8 port is used for connecting to the prime modem 8 receive IF.

5.5.1.2.21 J42 | MCU-20

The J42 | MCU-20 (IFS20 Control and Power) port is a 15-Pin High-Density Type D Female Connector.

Pin No.

Signal Name

Signal

Direction

1

Serial Control Clock

IFS_LCLK

Input

2

No Connection

N/C

---

3

No Connection

N/C

---

4

Ground

GND

---

5

Ground

GND

---

6

Logic +5 Volts

VCC

Input

7

Relay +6 Volts

VCC_RELAY

Input

8

No Connection

N/C

---

9

No Connection

N/C

---

10

Ground

GND

---

11

Relay +6 Volts

VCC_RELAY

Output

12

Serial Control Data 1 IFS_LDAT1 Bidirectional

13

No Connection

N/C

---

14

No Connection

N/C

---

15

No Connection

N/C

---