ADC 2 User Manual page 27

LTPH-UM-1234-01
1 To install the doubler unit, slide the doubler unit into the card guides for
the desired slot (see
2 Next, push the unit into the enclosure until it is seated in the card-edge
connector. The unit snaps into place, indicating that it is properly seated.
Once the HDU-409 is installed in the enclosure, the front panel Status LED
flashes green to indicate power is applied from an upstream line unit. When
the loops on both sides of the HDU synchronize, the LED is steady green.
Refer to Table 2 on page 5
HDU-409 Lists 1, 2, and 3
Figure 5 on page 20).
for more details on LED operations.
April 30, 2003
Installation
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