IBM TotalStorage SAN256N Director 2045-N16, Руководство по установке и обслуживанию

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SAN256N Director 2045-N16
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6. For multi-mode cable, use an LC to ST adapter and a short ST to ST jumper cable.
7. Power on the power meter and the SAN256N director (if not previously powered on).
8. Observe that the reading on the power meter is within the minimum and maximum
values, depending upon the type of fiber link, as specified below:
9. If a correct reading cannot be obtained, disconnect the test cable and use another
fiber test cable and take a second measurement. If the measured power level is still
not within specification, call IBM Technical Support.
Figure 45. Receiver Input Power Level Test Setup
Table 21. Fiber power levels
Type of Fiber MinimumPower Level Maximum Power Level
Single-mode -20.0 dBm -3.0 dBm
Multi-mode -17.0 dBm - 0 dBm
TFIO Blade
TFIO Port
TX RX
“A” Side
(Duplex LC)
Power Meter
Fiber Optic Link
(Single Mode)
Power Meter
Fiber Optic Link
(Multi-Mode)
ST/ST Cable
LC to ST Adapter