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3 • Installing the Model 2977 adapter Model 2977 DialFire RAS User Guide
34 Model 2977 PE1 PE2 adapter installation
Model 2977 PE1 PE2 adapter installation
The DialFire RAS PTE Series adapters provide one or two 30B+D PRI interfaces in a package that fits in a sin-
gle PCI slot in your server.
Because it uses DSP (digital signal processor) technology, the DialFire RAS adapter supports digital or analog
connections on PRI circuits. The adapter supports up to 30 channels on each line.
The position of the PRI connectors is shown in figure 5.
Note Line 1 and Line 2 connectors are present on RAS PE1 and RAS PE2
adapters, but only Line 1 is active on RAS PE1 adapters. A RAS PE1
adapter may be field-upgraded to RAS PE2 by the addition of a
daughter card
Figure 5. PE1 & PE2 Connector Locations
Do the following:
1. Unplug power from the computer.
2. Remove the computer’s cover.
3. Put on the wrist strap (included in your DialFire RAS package) and attach it to the computer’s chassis.
4. Locate an available full-length PCI slot in your computer and remove the slot plate.
5. Remove the DialFire RAS adapter from its protective packaging.
To guard against damage to the DialFire RAS adapter due to
electrostatic dis-charge (ESD), do not remove the adapter from its
protective packaging until you have grounded yourself to the
computer chassis
Line 2
Line 1
Green LED
Yellow LED