Chapter 3 Hardware Overview

2When daisy-chaining further Switches ensure that the signal output pins you use are the same as those you used when connecting to the first switch, as shown in the diagram below.

Figure 15 Daisy-chaining an External Alarm Sensor to Other Switches of the Same Model

 

11

10

.........

3

2

1

 

 

 

 

 

 

 

 

11

10

.........

3

2

1

 

 

 

 

 

 

 

11

10

.........

3

2

1

 

 

 

 

Pin Assignments

3.2 Rear Panel

The following figures show the rear panels of the AC and DC power input model switches. The rear panels contain:

•A slot for a fan module (A)

•Two optional slot (B and C) for installing EM-422 or EM-412 uplink modules

•An RJ-45 out-of-band management port (D)

•Two slots for AC or DC power modules (E and F)

•A connector for the power receptacle (G)

•A power switch (H) (DC power module only)

Figure 16 Rear Panel with an AC Power Module Installed

A BC D EF G

Figure 17 Rear Panel with a DC Power Module Installed

H G

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XGS4700-48F User’s Guide