
Troubleshooting Routers
A-24
308656-14.00 Rev 00
The port uses the CTS (clear to send) pin signal to determine whether a modem is
present.
# 14: mm/dd/yy 13:07:26.031 INFO SLOT 2 MODEMIF Code: 22
Connector COM1: enable requested on cct 65535
The circuit number 65535 does not activate until data is waiting to transmit across
the link.
The FSM messages indicate that the modem and the router are communicating.
The first FSM message shows the state the router was in when the FSM Event that
follows occurred.
# 15: mm/dd/yy 13:07:26.591 DEBUG SLOT 2 SWSERV Code: 46
Connector COM1: FSM State: V25BIS_WAIT_FOR_CTS(1)
Connector COM1: FSM Event: V25BIS_EVENT_CTS_UP(5); isdn flags: 0x1
# 16: mm/dd/yy 13:07:26.591 TRACE SLOT 2 MODEMIF Code: 53
Connector COM1: CTS has come up.
The router believes a V.25bis modem is present because it detected a CTS signal.
The following message indicates that you configured the port for V.25bis, rather
than Raise DTR.
# 17: mm/dd/yy 13:07:26.591 DEBUG SLOT 2 MODEMIF Code: 9
Connector COM1: modem present V.25bis mode
# 18: mm/dd/yy 13:07:26.591 DEBUG SLOT 2 SWSERV Code: 46
Line Mgr received line ready for line 1
# 19: mm/dd/yy 13:07:26.591 INFO SLOT 2 SWSERV Code: 10
Sync Line 1 available for dial on demand pool 1.
The router provides LLC service on the dial-on-demand port only after it detects a
CTS signal.
# 20: mm/dd/yy 13:07:26.591 INFO SLOT 2 SYNC Code: 11
Connector COM1 providing LLC1 service.
The router pings the remote side of the dial-on-demand link to provide data to
transmit across the link, and displays a “data received” message when it receives a
response.
# 21: mm/dd/yy 13:09:16.174 INFO SLOT 2 SWSERV Code: 23
Data received for dial on demand circuit 2.
# 22: mm/dd/yy 13:09:16.178 DEBUG SLOT 2 SWSERV Code: 46
Connector COM1: FSM State: V25BIS_WAIT_DATA_OR_IND(2)
Connector COM1: FSM Event: V25BIS_EVENT_DATA_AVAIL(7); isdn flags:
0x9
# 23: mm/dd/yy 13:09:16.178 TRACE SLOT 2 MODEMIF Code: 34
Connector COM1: DATA Available.
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