Cisco 2950SX 24 - Catalyst Switch - Stackable Uživatelský manuál stáhnout pdf (Strana 15)

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Mean time between failure (MTBF)

– Predicted

• 482,776 hours (Cisco Catalyst 2950G-12)

• 468,884 hours (Cisco Catalyst 2950G-24)

• 479,086 hours (Cisco Catalyst 2950G-24-DC)

• 159,026 hours (Cisco Catalyst 2950G-48)

• 297,144 hours (Cisco Catalyst 2950T-24)

• 268,292 hours (Cisco Catalyst 2950C-24)

Fiber-port speciﬁcations for Cisco

Catalyst 2950C-24 Switch

Fiber-port power levels:

• Optical transmitter wavelength: 1300 nanometers

• Optical receiver sensibility: –14 dBm2

• Optical transmitter power: –19 to –14 dBm

• Transmit: –19 to –14 dBm

Regulatory Agency Approvals

Safety certiﬁcations • UL 1950/CSA 22.2 No. 950

• IEC 950-EN 60950

• AS/NZS 3260, TS001

• CE Marking

Electromagnetic emissions

certiﬁcations

• FCC Part 15 Class A

• EN 55022: 1998 Class A (CISPR22 Class A)

• EN 55024: 1998 (CISPR24)

• VCCI Class A

• AS/NZS 3548 Class A

• CE Marking

• CNS 13438

• BSMI Class A

• MIC

NEBS • Bellcore

• GR-1089-CORE

• GR-63-CORE

• SR-3580 Level 3

Warranty • Limited lifetime warranty

Feature Description

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