LED Overview 4-3
3916 Service Delivery Switch Hardware Installation and Start-up Manual
009-3226-001 Standard Revision E
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2013-2015 Ciena
®
Corporation July 2015
Power Status LEDs
The placement of power status LEDs varies from system to system as follows:
• 3916 AC Standard — no power supply LEDs. The power to the system is
either on or off.
• 3916 DC Standard — no power supply LEDs. The power to the system is
either on or off.
• 3916 Dual AC Standard — two power LEDs labeled PSA and PSB. See
Figure 4-3.
• 3916 AC Mini — single power LED labeled PSA. See Figure 4-2.
• 3916 Dual AC Mini — two power LEDs labeled PSA and PSB. See Figure
4-4 on page 4-4.
The LED indications are summarized in Table 4-2 on page 4-4.
Figure 4-2
Power Status LEDs (3916 AC Mini)
Figure 4-3
Power Status LEDs (3916 Dual AC Standard)
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