Arcadian Networks Inc. V390I Benutzerhandbuch
3 Installing the V390i
32
V290iA User Guide
Verifying RF Connection with the Base Station
The V390i acquires the downstream signal and makes a connection with the Base
Station soon after initial operation.
Station soon after initial operation.
To verify proper RF connection with the Base Station:
1. Create a Telnet connection to the V390i (for instructions refer to Telnet Connection
to the V390i on page 33).
2. Type su operator to login as an operator.
3. Type the password you receive from your Systems Administrator or an authorized
Arcadian Networks representative, and press Enter.
4. Type cd d.
5. View the RF levels:
Type dsd to read the Rx Level and Received SNR.
Type usd to read the Tx Level.
6. Verify proper RF level according to the following table.
Table 3: V390i Expected RF Parameters
Parameter
Expected Value
Recommended Action
Rx level
-87 to -49 dBm
(-38 to 0 dBmV)
If the Rx level is too high, change the attenuator on
the antenna port to adjust the level.
the antenna port to adjust the level.
If the Rx level is too low, check the cable connections
and/or the antenna adjustment.
and/or the antenna adjustment.
Received SNR
>27 dB
Typical SNR is above 30 dB. For low SNR, check the
cable connections and/or the antenna adjustment.
cable connections and/or the antenna adjustment.
Tx level
-17 to 27 dBm
(32 to 76 dBmV)
(32 to 76 dBmV)
If the level is close to the maximum, and the location
is not in the border range, check the cable
connections and/or the antenna adjustment.
is not in the border range, check the cable
connections and/or the antenna adjustment.
7. If the RF parameters are not within the expected levels, perform the recommended
actions.
Verifying Network Connection with the Base Station
To verify network connection with the Base Station:
1. Connect a PC (laptop) to one of the three V390i Ethernet ports: FE0X, FE1X, or
FE2X.
2. Verify that the PC is in the same network as the router, and set its default gateway
to be the router VLAN1 IP address.
3. From the PC, ping the IP host address of a device in the Base Station with which
the V390i is associated. The device can be either the WMTS or a router connected
to the WMTS.
to the WMTS.