
3
Figure 2 Figure 7-26: Catalyst 1900 Rear View
Figure 3 Figure 7-27: Catalyst 1900C Front View
Figure 4 Figure 7-28: Catalyst 1912 Front View
Specifications
Hardware
Table 1 Table 7-20: Catalyst 1900 Specifications
Characteristic Description
Performance 1-Gbps bus
370-Mbps maximum forwarding bandwidth
3-MB packet buffer memory dynamically shared by all ports
H6718
AUI
CONSOLE PORT
RESET
EIA/TIA-232
connector
Fan
Redundant
power system
connector
Reset
switch
AUI connector
Power receptacle
DC INPUTS FOR USE WITH
POWER SUPPLY SPECIFIED
IN MANUAL. +5V @ 8A,
+12V @ 1A, -12V @ 1A
RPS
MODE
1x 2x 3x 4x 5x 6x 7x 8x 9x 10x 11x 12x 13x 14x 15x 16x 17x 18x 19x 20x 21x 22x 23x 24x
ABx
SERIES
10BaseT ports
100BaseFX
port
100BaseTX
port
H10167
1x 2x 3x 4x 5x 6x 7x 8x 9x 10x 11x
12x
10BaseT
100BaseTX
Ax
SERIES
RPS
MODE
H10168
10BaseT ports
100BaseTX
port
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