Cisco WS-C3020 Bedienungsanleitung PDF herunterladen (Seite 5)

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Table 21-105: Power Requirements for Catalyst 3900

Table 21-106: Physical and Environmental Speciﬁcations for Catalyst 3900

Table 21-107: Technical Speciﬁcations for Catalyst 3920

Description Speciﬁcation

Electrical power 90 to 264 VAC autosensing (single supply)

Frequency 47 to 63 Hz

AC current rating 1.5A @ 115V; 0.75A @ 230V

Thermal dispensation 150W max; 512 BTUs/hr

Description Speciﬁcation

Dimensions (H x W x D) 3.4 x 17.4 x 15.3 in. (8.6 x 44.2 x 38.7 cm)

Weight 16–18 lb (6-6.7 kg), depending on conﬁguration

Operating temperature 50 to 104˚F (10 to 40˚C)

Operating relative humidity 8 to 80%

Storage altitude 40,000 ft

Description Speciﬁcation

Ports 24

1 EIA/TIA-232 console (rear)

1 stack port slot (rear)

Expansion Modules

Front panel indicators System power

Mode

Fault

Port: insert, activity

Stack port:

Transmit

Receive

Attach

RPS present

RPS good on

Internal power supply good

Buffers 1 MB DRAM per group of 4 ports

Addresses 6500 per group of 4 ports; 10,000 per system

Protocol compatibility Transparent to higher-level protocols

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Cisco WS-C3020 Bedienungsanleitung Seite 5