Verilink 2000 (34-00182) Product Manual - Manual (Page 20)

2-8 I NSTALLATION
DTE Line Framing
Position S5 -2 is used to match the CSU to the framing of the DTE line. The DTE
and network line framing do not have to be the same.
Down: ESF Up: D4
Network Line Code
Position S5-3 is used to set the network line coding.
Down: AMI Up: B8ZS
DTE Line Code
Position S5-4 sets the DTE line coding. The DTE and the network line code
setting do not have to be the same.
Down: AMI Up: B8ZS
Network AIS
Position S5-5 is used to set the all ones signal sent out to the network in a Keep
Alive condition to either framed or unframed. The framed position adds framing
information to the Keep Alive signal.
Down: Unframed all ones Up: Framed all ones
Network Keep Alive Mode
Position S5-6 is used to select the action which occurs upon a DTE loss of signal.
Down: Send AIS Up: Loop network (RXD to network TXD)
ESF CRC6 Mode
Position S5-7 determines whether the cyclic redundancy check (CRC) code is
regenerated as data passes through the CSU or whether the CRC is passed through
unchanged.
Down: Regenerate Up: Pass
ESF Data Link Mode
Position S5-8 determines if the received facility data link (FDL) is terminated in
the CSU or is passed through unchanged.
Down: Terminate Up: Pass