Appendix B: MDA-a and MDA-aXP Card Descriptions
7750 SR-a4 and SR-a8 Installation Guide 151
2-port 10GigE SFP+ and 12-port 1GigE SFP Combo
MDA-a Overview
Figure 50 shows the 2-port 10GigE SFP+ and 12-port 1GigE SFP Combo MDA-a. Table 64
describes the features.
Figure 50: 2-port 10GigE SFP+ and 12-port 1GigE SFP Combo MDA-a Features
Pwr
7750 MDA-a
2-10GB-SFP+
12-1GB-SFP
Stat
24460
Lnk/Act
123 4 567 8 91011 12
13
Lnk Act
14
Lnk Act
2 83 4
1
6
5 7 1
Table 64: 2-port 10GigE SFP+ and 12-port 1GigE SFP Combo MDA-a Features
Key Label/Part Description
1 Captive screws Secures the MDA-a in place.
2 7750 MDA-a type -a suffix: The card can operate in any MDA-a slot at or near the line rate. See
Port Line Rate on page 152 for more information.
3 Pwr / Stat Power and Status LED
4 Port number and
row indicators
A triangle above each port number indicates the position of the port. Upward
pointing triangles represent ports in the top row. Downward pointing triangles
represent ports in the bottom row.
The Gigabit Ethernet SFP ports are numbered as follows:
• Top row—ports 1, 3, 5, 7, 9, 11
• Bottom row—ports 2, 4, 6, 8, 10, 12
5 Ports Twelve 1Gigabit Ethernet SFP ports, numbered 1 to 12
6 Lnk/Act Link and Activity LED
7 Ports Two 10 Gigabit Ethernet SFP+ ports, numbered 13 and 14
8 MDA-a model 2-10GB-SFP+ 12-1GB-SFP
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