Motorola SG4-DRT-2X Betriebsanleitung PDF herunterladen (Seite 34)

3-6 Bench Setup and Operation

SG4000 Installation and Operation Manual

Figure 3-5 illustrates the forward split board. Jumpers J6 and J7 are shown in the normal

default position that enables signal flow to each output connector. When configuring for three

outputs, move

J6 to the left position, thereby terminating output connector J5 (Port 2). When

configuring for two outputs, move

J7 to the upper position, thereby terminating output

connector

J8 (Port 3).

Figure 3-5

Forward split board

PORT4

RX1

PORT3

PORT2

PORT1

C18

C17

C16

C12

C10

C11

C15

C13

C14

R11

R10

Figure 3-6 illustrates the signal flow through the forward split board. Loss is measured at

870 MHz.

Figure 3-6

Forward split board – signal flow

Loss = 8.7 dB

-0.5 dB

-4.0 dB

Rx1

PORT4

PORT1

PORT2

PORT3

To set up the forward-split, single-receiver option:

1 Install a single SG4-R receiver in lid optics slot 1, as illustrated in Figure 3-4.

2 Install a forward-split board in the forward configuration board location 1, as illustrated in

Figure 3-4.

3 Install an RF cable from the SG4-R receiver to the forward-split board Rx. The RF cable

should be approximately five inches long and have black boots on the connector signifying

forward path.

4 Connect the appropriate forward RF cables from the SG4-RF modules’ FWD connector

(Figure 3-4) to the forward-split board.

5 Repeat Step 4 for any additional active RF modules.

6 Position jumpers J6 and J7 (Figure 3-5) as required for the number of active outputs you are

using.

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 107 108

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