Chapter 6 Maintenance and Inspection
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6.2 Life Limited Parts
To use the product safely for a long time, replace the life limited parts regularly.
When replacing them, consult with one of Toshiba's service representatives.
The following table shows the life limited parts and their replacement cycles.
Table 6-1 Life limited parts and their recommended replacement cycles
Part name
Recommended replacement cycle
Optical module
It is recommended measuring output power the time
at 10 years later and each one year from the time of
10 years. Or consult our service representative for
measurement. If detect loss of power at 3 dB or more,
please consult our service representative for replacing
the optical module.
Summary of Contents for TNB21
Page 1: ...Unified Controller Vm Series TC net 100 TNB Module Instruction Manual 6F8C1637 ...
Page 14: ...6F8C1637 xii ...
Page 28: ...Chapter 2 Installation and Wiring 6F8C1637 14 ...
Page 62: ...Chapter 3 Setting 6F8C1637 48 ...
Page 65: ...51 Chapter 5 Troubleshooting This chapter describes troubleshooting for the TNB Module ...
Page 82: ...Chapter 7 Application Interface 6F8C1637 68 ...
Page 85: ...Unified Controller Vm series TC net 100 TNB Module Manual 71 ...
Page 90: ...75 Appendix B Outside Dimensions ...
Page 92: ...77 Appendix C Related Products ...
Page 94: ...79 Appendix D Decimal hexadecimal Conversion Table ...
Page 97: ...Appendix D Decimal hexadecimal Conversion Table 6F8C1637 82 ...
Page 99: ...1637 0 1912 ...