Teltone m-392 Guida Utente
Reference Manual
Chapter 7: Warranty, Troubleshooting, and Technical Support
Return Procedures
If a unit is found to be defective, contact Teltone customer service to obtain a RMA (Return Material Authorization)
number and shipping instructions. When returning units, provide the following information:
number and shipping instructions. When returning units, provide the following information:
• Unit model number, unit part number, and serial number (obtained from the Unit ID label on the bottom
of the unit).
• Teltone RMA number
• All available fault information
• Complete shipping and billing address
• Repair purchase order
• All available fault information
• Complete shipping and billing address
• Repair purchase order
History
Old Part Number
New Part Number
Programmed
M-392-A&4 M-392-B-01 Standalone
Configuration
M-392-A&5
M-392-B-02
Teltone Factory Default
M-393-A&4
M-393-B-01
Standalone Configuration
M-393-A&5
M-393-B-02
Teltone Factory Default
M-394-A&4
M-394-B-01
Standalone Configuration
M-394-A&5
M-394-B-02
Teltone Factory Default
M-39XB-01/02 now supports a hardware modification to improve the ringing circuitry.
40-400-00015, Rev.
F Page 37