Cisco Cisco Digital Service Access Node (DSAN) 8200 Troubleshooting Guide
Verifying Operation
4032301 Rev A
25
Verifying Operation
This section explains how to use the CLI diag pages to ensure correct DSAN
operation following RF setup.
operation following RF setup.
To confirm tuner and RF demodulator status, first complete the following steps:
1 Before applying power to the DSAN, open the unit and connect a PC laptop to
1 Before applying power to the DSAN, open the unit and connect a PC laptop to
the diagnostic port on the digital board. See the CLI Diagnostics chapter of the
Cisco DSAN System Installation and Operation Guide, part number 4032302 for
assistance as needed.
Cisco DSAN System Installation and Operation Guide, part number 4032302 for
assistance as needed.
2 Apply power to the DSAN and allow 5 minutes for the unit to boot up and
complete its cable modem registration process. The dsan login: prompt appears
on the PC laptop screen.
on the PC laptop screen.
3 Log in to the DSAN using the default user ID dsan and password dsan1234. Both
user ID and password are case-sensitive. The DSAN> prompt appears.
Then use the procedures described below to verify tuner and demodulator status.
Tuner Status
On CLI diag page 1.0 (DSAN Status), verify that the RF Summary shows applicable
tuners are locked. The following illustration shows all three tuners (A, B, and C) in
the locked state.
tuners are locked. The following illustration shows all three tuners (A, B, and C) in
the locked state.
If a tuner is unlocked:
1 Verify that the configuration file employs the tuner in question. If not, it will
1 Verify that the configuration file employs the tuner in question. If not, it will
state "N/A" for that tuner.
2 Verify that the output of Port 3 has the digital tier (564-1002 MHz) set -6 dB from
Channel 2.