Verilink AS56/56Plus (896-502588-001) Product Manual - Manual (Page 36)

Configuring and Installing the Access Syste m56
3-12 AS56 and AS56 Plus User Manual
• permanently Off
• CD tracks RT
• Switched (normally On, turns Off upon network carrier failure).
Switched is the recommended mode of operation unless the
customer DTE requires otherwise. Depress
SELECT to choose On,
Off, CD tracks RT, or Switched.
22. Serial Port, data normal/inverted.
Depress SELECT to choose between Norm and Inv.
• If Density is Clear, choose Norm.
• If Data Rate uses 56 kbps per DS0, choose Norm.
• If Alt/Consec is Alternate, choose Norm.
If none of the above conditions apply, consider the following:
Some user protocols, such as SDLC and HDLC, have a “zeroes
density” characteristic that, when inverted, results in the required T1
“ones density”. If the attached DTE uses one of these protocols AN
also inverts the data, choose Norm and confirm that the mated serial
port (at the “other end” of the circuit) is configured the same.
If the attached DTE uses one of these protocols and does NOT invert
the data, choose Inv and confirm that the mated serial port (at the
“other end” of the circuit) is configured the same.
NO OTHER CONDITIONS ARE VALID. Please refer to
discussion under “Serial Port Data Rate”.
Serial Port
Data..: XXX
DOWN to
display:
Serial Port
Clock.:_Norm
DOWN to
display: