Alcatel-Lucent 7750 SR-a4, Installation Manual, Page: 163 / 232

Appendix B: MDA-a and MDA-aXP Card Descriptions
7750 SR-a4 and SR-a8 Installation Guide 163
20-port 10/100/1000 TX RJ-45 MDA-a Overview
Figure 54 shows the 20-port 10/100/1000 TX RJ-45 MDA-a Table 80 describes the features.
Figure 54: 20-port 10/100/1000 TX RJ-45 MDA-a Features
Pwr
7750 MD
A-a
20-1GB-TX
Stat
24575
Lnk
1
Act
2
Lnk
3
Act
4
Lnk
5
Act
6
Lnk
7
Act
8
Lnk
9
Act
10
Lnk
11
Act
12
Lnk
13
Act
14
Lnk
15
Act
16
Lnk
17
Act
18
Lnk
19
Act
20
2 8 3
1 1
4 6
5 7
Table 80: 20-port 10/100/1000 TX RJ-45 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.
3 Pwr / Stat Power and Status LED
4 Ports Twelve 1 Gigabit Ethernet RJ-45 ports, numbered 1 to 12
5 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.
Ports are numbered as follows:
• Top row—ports 1, 3, 5, 7, 9, 11, 13, 15, 17, 19
• Bottom row—ports 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
6 Ports Eight 1 Gigabit Ethernet RJ-45 ports, numbered 13 to 20
7 Lnk/Act Link and Activity LEDs
8 MDA-a model 20-1GB-TX