ADTRAN ATLAS 550 Bedienungsanleitung Seite 237

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Appendix E. Troubleshooting
61200305L1-1 ATLAS 550 User Manual E-3
Cabling problem.
•T1
–Checktheportsalarmstatus.
If the T1 is experiencing LOS, ensure the cable is plugged in.
If the cable is plugged in, ensure the pinout is correct. Refer to the
ATLAS User Manual for a correct pinout.
•Nx
Check DTE port signals and verify that DTR and RTS are active.
If signals are inactive, verify V.35 cable is connected to correct port.
If cable is connected, verify external DTE is powered on.
Packet endpoint not mapped
•FromP
ACKET
M
ANAGER
/P
ACKET
E
NDPNTS
/S
TATUS
,verifythatthepacket
endpoint indicates that a physical port is mapped.
Signaling mismatch
•FromP
ACKET
M
ANAGER
,verifythattheSignalingtypematchesthatpro-
vided by the carrier and the external DTE.
Timers not configured
Verify that frame relay counters and timers are configured as specified
bytheframerelayprovider. (Countersandtimersdonotnormallyneed
to be adjusted.)
DLCI is not active
•VerifyintheP
ACKET
M
ANAGER
/P
ACKET
E
NDPNTS
/P
ERFORMANCE
menu
that the DLCIshows active. If the DLCI is listed inactive and the packet
endpointisconfiguredas User sideofUNI,the framerelaynetworkhas
not activated this DLCI.
NodataonDLCI
•VerifyintheP
ACKET
M
ANAGER
/P
ACKET
E
NDPNTS
/P
ERFORMANCE
menu
that the DLCI shows receive packets. If there are no packets received,
verify that external equipment is configured to transmit data on this
DLCI.
•VerifyintheP
ACKET
M
ANAGER
/P
ACKET
C
NCTS
menu that this DLCI is
mapped.
Frame relay link is down.
Link is active, but data is not passing.
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