Cisco 700 series, Installation Manual

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Power-On Self-Test
Cisco 700 Series Router Installation Guide 5-2
TWAIT Timer
During initialization (power-up or reboot), with the switch type set to NI1, the following
message displays:
host> Please wait for TWAIT timer to expire in __ seconds
host> Make a call to bypass this timer
The timer value varies from 1 second to 5 minutes. Upon expiration of the time, the router
requests a terminal endpoint identifier (TEI) and initiates SPID initialization as usual. If
needed, either a voice or data call can be initiated instead of waiting for the timer to expire.
This stops the timer immediately and allows initialization to continue.
Note that the call will be successful unless the ISDN line has not been given enough time
to
rest before power-up or reboot.
On Blinks once a
second Off Off Off Internal NT1 is synchronized with the ISDN
switch, but is unable to synchronize with the
ISDN terminal devices.
Off Off On Off Off Waiting for software.
On Off On On On Processor inactive.
Off Off Off Off Off Processor self-test error.
Off Off Off Off On EPROM
1
checksum error.
Off Off Off On Off RAM error.
Off Off Off On On Flash memory error.
Off Off On Off On HDLC
2
packet chip error.
Off Off On On Off Configuration port error.
Off Off On On On ISDN interface chip error.
1 EPROM = erasable programmable read-only memory.
2 HDLC = High-Level Data Link Control.
Table 5-1 LED Error Messages (continued)
RDY NT1 LINE CH1 CH2 Test Result