Xerox Telecopier 7033 Service Manual page 242

1.2 Repair Analysis Procedures
RAP 1.2.1 Encryption Interface Malfunction
1. Perform the following:
a. Disconnect the two Y-cable connectors from the encryption
unit, then connect the cables together.
b. Perform send or receive operation to a remote G3 terminal
that is known to be operational.
The operation completes successfully.
Y N
| Go to step 3.
2. Notify customer of problem with encryption unit.
3. Perform the following:
a. Disconnect the power cord.
b. Remove the encryption interface PWB and the G3 PWB.
c. Move the modem PWB to the G3 PWB.
d. Install the G3 PWB in the terminal. (Do not install the
encryption interface PWB.)
e. Connect the power cord and perform a self test.
The test completes successfully.
Y N
| Replace in order:
• Modem PWB
• Main PWB
4. Replace in order:
• Encryption interface PWB
• Encryption interface to G3 harness
• Encryption interface to encryptor harness
1.2, RAP 1.2.1
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