Digi 90031300 Manual Do Utilizador
T1 Modem Bank
70
Modem cards are located on the front of the chassis between the line card (labeled T1 and PWR) and the sync and
terminal connections (labeled HOST IN, HOST OUT and TERMINAL). Six on-line indicators and one power
indicator are found on the modem card faceplate. Refer to Figure 1 on page 1 for an overall view of theT1 Modem
Bank.
terminal connections (labeled HOST IN, HOST OUT and TERMINAL). Six on-line indicators and one power
indicator are found on the modem card faceplate. Refer to Figure 1 on page 1 for an overall view of theT1 Modem
Bank.
Follow this procedure to replace a modem card:
1. Determine which modem card needs to be replaced. This will be indicated by running POST, using
QuickManager, or observing the display panel window after the FEP/OS is loaded. There are two types of
modem cards, and they can be interchanged in any way you want in your system. Table 7 illustrates the revision
numbers and the differences between the types of modem cards.
modem cards, and they can be interchanged in any way you want in your system. Table 7 illustrates the revision
numbers and the differences between the types of modem cards.
Table 7
Types of Modem Cards
Modem Revision
Description
0
V.34 compliant modem. Connection rates as high as 28.8kbps.
No new modem flash upgrades.
No new modem flash upgrades.
1
V.34 compliant modem. Connection rates as high as 33.6kbps.
Modem flash upgrades are allowable when they are available.
Modem flash upgrades are allowable when they are available.
QuickManager will allow you to identify the revision of each modem card in your system. Figure 24 is an example
screen showing that modem card 1 in this particular system has a revision of 0.
screen showing that modem card 1 in this particular system has a revision of 0.