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One of these alarm conditions is present: no receive
AL
signal, loss of frame signal from the remote station, or
out of service signal from the remote station. This LED
is off during normal operation.
CD
The internal DSU/CSU in the WAN interface card is
communicating with another DSU/CSU.
Related Information
Understanding the 1−Port 4−Wire 56/64 Kpbs CSU/DSU WAN Interface Card
(WIC−1DSU−56K4)
Technical Support − Cisco Systems
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Updated: Jun 26, 2005
Cisco − WIC−1DSU−56K4 Cable Specifications
Document ID: 46794
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