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Comtech EF Data RCS11 User Manual

Page 44

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RCS11 1:1 Redundancy Switch

Installation

MN-RCS11 – Revision 9

4–6

4.6.3 DMD20, DMD50 or DMD2050 with HSSI Interface

Figure 4-3 illustrates a 1:1 system using a RCS11 with the universal Interface connected to
DMD20 or DMD50 Modems with 70/140 MHz option and G.703/HSSI Interfaces. Table 4-3
describes the connection hardware required.

RX IN

TX OUT

1

2

2

2

2

3

3

4

DATA IN / OUT

Figure 4-3. RCS11 with HSSI G.703 Interface Connected to DMD20, DMD50 or DMD2050

Modems with G.703 HSSI Interfaces

Table 4-3. Connection Hardware for 70/140 MHz Option

Item No.

Quantity

Part Number

Discription

1

1

RF/ZSC-2-175

70/140 IF Splitter

2

4

CA/3598-36

3’ BNC to BNC 75 Ohm Coaxial Cable

3

2

CA/4181

HSSI Data Cable

4

1

CA/3865

Alarm Fault Cable