Verilink AS56/56Plus (896-502588-001) Product Manual - Manual (Page 40)

Configuring and Installing the Access Syste m56
3-16 AS56 and AS56 Plus User Manual
Switched is the recommended mode of operation unless the
customer DTE requires otherwise. Depress
SELECT to choose On,
Off, CD tracks RT, or Switched.
28. Serial Port, data normal/inverted.
Depress SELECT to choose between Norm and Inv.
29. Serial Port, clock normal/inverted.
Depress SELECT to choose Norm or Inv. Initially choose Norm. If
frequent errors occur at this serial port, try Inv and check
performance.
Normally, the down-going clock edge is in the middle of each bit.
This is required by networks. Some DTEs, particularly with high-
speed V.35 configurations and/or lengthy cables, place the rising
edge in the middle of each bit. Inv will correct this condition to
satisfy the network.
30. Serial Port clock handling.
Depress SELECT to choose Internal, External, or Int/Ext.
Internal is the normal setting and should always be chosen unless
there is specific reason to do otherwise. At the serial interface,
Serial Port
Data.:_Norm
DOWN to
display:
Serial Port
Clock.:_Norm
DOWN to
display:
Serial Port
Clocks:_Internal
DOWN to
display: