Radyne DM240XR Specifications download pdf (Page 189)

DM240XR High-Speed Digital Modulator AutoEQ™ Interface Operation Guide

MN-DM240XR– Revision 13 D–9

Figure 5. AutoEQ™ Backchannel Setup

Back Channel Test

The "BACK CHAN TEST" does the following:

1. Establishes a connection with the back channel server as defined under the

SYSTEM->BACK CHANNEL menu.

2. Issues a ping to the back channel server.

3. Sends a message to and validates the reply from the back channel server application

running on the back channel server.

4. If passes, no additional; events will appear in the event log.

5. If fails, logs one of the following events on the local side event log:

a. "BACK CHANNEL TEST: FAILED PING"

b. "BACK CHANNEL TEST: FAILED BACK CHAN SERVICE REQ"

c. "BACK CHANNEL TEST: REPLY FORMAT ERROR"

d. "BACK CHANNEL TEST: ERROR REPLY"

6. If fails, may log one of the following events on the server side event log:

a. "INVALID CHANNEL TEST SIZE"

b. "INVALID CHANNEL TEST PAYLOAD"

Ethernet Test

On the local unit, using the Front Panel display and arrow keys, scroll thru the Monitor

menu and clear the Event Log.

Verify Local Router:

Now scroll thru the Test menu and Ping Test the TCP/IP ROUTER. If the event LED on

the front panel does not light, communications between the modem and its router was

successful.

Perform the same test on the remote unit as detailed under Verify Local Router.

Verify Remote Router:

On the local unit, using the Front Panel display and arrow keys, scroll thru the Monitor

menu and clear the Event Log.

Verify Local to Remote Connection:

Now scroll thru the Test menu and Ping Test the BK CHAN SERVER. If the event LED

on the front panel does not light, communications between the local modem and the

remote modem was successful.

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Radyne DM240XR Specifications Page 189