Card Descriptions
Table 129
20-Port Gigabit Ethernet 1020 Card Specifications (CWDM- and DWDM-Based)
Specification
CWDM
DWDM
Protection
None
None
Interface
1000Base-CWDMnnnn
(2)
1000Base-DWDMITUnn
(3)
Line code
8B/10B
8B/10B
Flow control negotiation
(4)
Yes
Yes
Transceiver type
(5)
SFP
SFP
Compliance
ITU-T G.694.2
ITU-T G.694.1
(1) Each optical port has separate connectors for the transmit (Tx) and receive (Rx) circuits.
(2) CWDM nominal wavelengths are 1471, 1491, 1511, 1531, 1551, 1571, 1591, and 1611; specified in ITU G.694.2.
(3) The range of DWDM ITU channels is 17 to 60; see the ITU DWDM Transmit Frequencies and Wavelengths table
for the frequency and wavelength of each ITU channel; specified in ITU G.694.1.
(4) The extent of the support for flow control depends on the release of the SmartEdge OS.
(5) The 20-port GE1020 card requires two adjacent slots for the SFP transceivers.
6.15.1
Status LEDs
Figure 49
Status LEDs on 20-Port Gigabit Ethernet 1020 Card
Table 130
Equipment LEDs on 20-Port Gigabit Ethernet 1020 Card
Label
Activity
Color
Description
On
Red
A failure exists on the card.
(1)
FAIL
Off
None
No failure exists on the card.
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Summary of Contents for SmartEdge 600
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