Lucent Technologies PortMaster - Manual (Page 206)

Troubleshooting an ISDN BRI Connection
12-22 PortMaster Configuration Guide
• To view the PPP negotiation, enter the following commands:
Command> set console
Command> set debug 0x51
For more information about the interpreting the results of the debug command, refer to
the PortMaster Troubleshooting Guide.
After you verify that the PPP negotiation is correct, enter the following commands to
turn off the debug utility:
Command> set debug off
Command> reset console
Interpreting ISDN BRI Port Status
Table 12-13 describes how to interpret the output of the show S10 command for ISDN
BRI ports.
Table 12-13 ISDN BRI Port Status
Port Status Modem Status Description
NO-SERVICE DCD- CTS- TELCO- NT1- No SPID is set.
NO-SERVICE DCD- CTS- TELCO- NT1+ Port has either no cable or no
circuit connecting it to the
telephone company.
NO-SERVICE DCD- CTS+ TELCO+ NT1+ Cable and ISDN circuit are
functioning, but the SPID is not
registered.
IDLE DCD- CTS+ TELCO+ NT1+ SPID is registered and ready to use
ESTABLISHED DCD- CTS+ TELCO+ NT1+ Port is connecting or providing
device service, but no carrier is
sensed.
ESTABLISHED DCD+ CTS+ TELCO+ NT1+ Port is connected.
ESTABLISHED DCD+ CTS- TELCO+ NT1+ Port is connected with a V.120
asynchronous connection, but the
other end of the connection is
providing flow control
information.