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No user-accessible controls or indicators are located on the module.

2.3.13.2 Electrical Characteristics

The characteristics described in Table 8 are measured at a -25 dBm input level.

Table 8. RF Switch Characteristics

Parameter Specification

Input Isolation, Port to Port

(all ports terminated)

> 35 dB, 950-1450 MHz

≥ 24 dB, >1450-2150 MHz

Input VSWR (selected port,

75-ohm system)

≤ 2.5:1, 950-1450 MHz

≤ 3.5:1, >1450-2150 MHz

Insertion Loss

≤ 1.5 dB, 950-1450 MHz

≤ 4 dB, >1450-2150 MHz

2.4 LOCAL CONTROLS AND INDICATORS

2.4.1 Front Panel

See Figure 3 (Page 25) for a view of the front panel.

2.4.1.1 Front Panel Display

The front-panel includes a 2-line by 20-character display to support the local user

monitor/control interface. See Table 24 (Page 40), and Appendix B for details on the messages

displayed there, as well as the menus supporting the keypad interface described in Section

2.4.1.2.

2.4.1.2 Front Panel Keypad

The front-panel includes a keypad for user input. The keys are right, left, up, down arrows and

SELECT, and ENTER. See Sections 2.4.1.2 and 3.9, and Appendix B for details on their use.

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Wegener 4422 Manual de Instruções Página 19