44-port 1GigE CSFP/SFP MDA-a Overview
166 7750 SR-a4 and SR-a8 Installation Guide
44-port 1GigE CSFP/SFP MDA-a Overview
Figure 55 shows the 44-port 1GigE CSFP/SFP MDA-a. Table 84 describes the features.
The 44-port 1GigE CSFP/SFP MDA-a card has 22 CSFP slots. CSFP slots have the same
form factor as slots used by SFPs, which enables the card to support dual-port CSFPs and
Single-port SFPs, copper SFPs, and bidirectional SFPs.
Figure 55: 44-port 1GigE CSFP/SFP MDA-a Features
Pwr
7750 MDA-a
44-1GB-
CSFP/SFP
Stat
24574
Lnk/Act
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 4417 18 19 20 21 22 23 24
1 18
2 93 4 6
75
Table 84: 44-port 1GigE CSFP/SFP MDA-a Description
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 167.
3 Pwr / Stat Power and Status LED
4 Lnk/Act Link and Activity LED
5 Ports 24 1 Gigabit Ethernet SFP ports, numbered 1 to 24.
The ports are aligned in two rows as follows:
• Top row—ports 1-2, 5-6, 9-10, 13-14, 17-18, 21-22
• Bottom row—ports 3-4, 7-8, 11-12, 15-16, 19-20, 23-24
6 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.
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