Advantech SSPB-3000C Especificaciones descargar pdf (Pagina 32)

SSBP-3000C

Page 31

6. Ensure that the L-Band input signal is being applied to the L-Band In port of the unit.

7. Allow the SSPB to warm up for 30 minutes, ensuring that all electrical specifications are met

(see TABLE 2 at page 17).

7.4 FRONT PANEL OPERATION

Set-up the SSPB as follows:

1. Switch ON the main power source. The ‘System Settings’ menu should appear on the front

panel.

2. Allow the SSPB to warm up for 30 minutes, ensuring that all of the electrical specifications

are met see TABLE 2 at page 17.

3. Press the [CLEAR] key to return to the ‘System Settings’ menu.

4. Use the [é] and [ê] keys to select the ‘Set Parameters’ menu.

5. Adjust the output frequency of the SSPB by following the sequence given in Figure 6 at page

33.

NOTE: In the gain or frequency value editor submenus, use the [ç] and [è] keys to select

the digit to be changed and the [é] and [ê] keys to change the value. Press the

[Enter] key to confirm the new value or the [CLEAR] key to return without the

changes.

6. Adjust the attenuation at the mixer input of the L-Band to C-Band up-converter module to

obtain a power level of – 20 dBm at the mixer input for the best signal to spurious ratio.

NOTE: Input level + Attenuation = -20 dBm.

7. Adjust the gain of the L-Band to C-Band up-converter module to obtain the desired output

power level of the SSPB by following the sequence given in Figure 6 at page 33.

8. If it is desired to switch the SSPB ‘ON’ or ‘OFF’, use the [é] and [ê] keys to select the

‘System Control’ menu and then press the [Enter] key to select the ‘ON’ or ‘OFF’

CAUTION: The unit will always start

in MUTE state (no RF output). In order to set it

functional, use the serial communications commands; the communication link through RS-

232

serial interface should be established, using Term95 or HyperTerminal communications

program. Use t2 <ENTER> command to switch for PC communications and then use txu

<ENTER> command to un-mute the transmit path.

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Advantech SSPB-3000C Especificaciones Pagina 32