FECO COMMS # 32

FECO: COMMS # 32
MODIFICATION No: N/A
PRODUCT: TRICOM TEMPEST QUAD MODEM
SUB-ASSEMBLY N/A
ESTIMATED MAN HOURS N/A
CLASS OF CHANGE: INFORMATIONAL
REASON FOR CHANGE: TO INTRODUCE THE TRICOM TEMPEST QUAD MODEM

1. The tricom tempest quad is an asynchronous dial up modem.

2. The unit is light grey in colour with a darker grey sloping front panel which has 7 led indicators and a push
        button.

3. Before use, the unit must be power cycled, switched on, then off, then on again and left to refresh the charge
        cell used in place of a battery. This cell only has about 2 weeks life when disconnected from the mains.

4. Specification

        The modem has v22bis, v22, v23, v21, v42, v42bis and mnps.

5. Configuration - dial up

5.1. before commencing any work on the unit, display and note existing settings using:-

        At\s

5.2. default settings at&f

5.3. standard setting

        Enter at&doeoq1&w

        Where &do - dtr on

        Eo - no echo

        Q1 - quiet mode

        &w - save

        (tech serv ref 22/1/8)

6. Diagnostics

        Standard diagnostics available - use vdu to enter at&tn - then follow the prompts to test.

7. Mec description

        Tri-trquad-tempest-modem

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