Alcatel-Lucent 7750 SR-a8 - 7750 SR-A4 and 7750 SR-A8 Overview; Figure 1 7750 SR-A4 Chassis Front View; Table 2 7750 SR-A4 Chassis Front View Features

7750 SR-a4 and 7750 SR-a8 Overview
7750 SR-a4 and SR-a8 Installation Guide 25
The CPM-a, IOM-a, and MDA-a cards, and the PSUs and fan tray must be installed after the
chassis is mounted in the rack and grounded. All physical connections are made from the
front of the chassis, including the chassis ground point. There are no connectors on the back
of the chassis.
Figure 1: 7750 SR-a4 Chassis Front View
1. See 7750 SR-a4 Chassis Slot Allocation for more information about MDA-a and MDA-aXP slots.
Table 2: 7750 SR-a4 Chassis Front View Features
Key Description
1 7750 SR-a4 fan tray in vertical slot
2 One IOM-a in chassis slot three
3 Chassis ground position on the chassis mounting flange
4 Up to four PSUs in the bottom chassis slot
5 ESD strap receptacle
6
Up to four MDA-a or MDA-aXP cards in the top two chassis slots
1
7 Up to two CPM-a cards in chassis slot four
8 Non-removable chassis filler plate
9 Air filter in vertical slot
7750 SR-a4
Service Router
7750 SR-a4 Fan Tray
Pwr
Stat
Slot Layout
1/1 XP
1/2 XP
1/3 1/4
CPM A
1
CPM B
Alarms
1PPS
ACO
LT
Critical
Lnk
DTE
Pwr
7750 CPM-a
Stat
Console
Mgmt OES
SyncE1/588
BITS
Compact Flash
DCE
Act Lnk Act
Major Minor
Pwr
7750 SR-a
Stat
Pwr
7750 MDA-a
20-1GB-TX
Stat
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
Air Filter Access7750 SR-a4
Pwr
7750 MDA-aXP
10-10GB-SFP+
Stat
10
Lnk Act
9
Lnk Act
8
Lnk Act
7
Lnk Act
6
Lnk Act
5
Lnk Act
4
Lnk Act
3
Lnk Act
2
Lnk Act
1
Lnk Act
Pwr
7750 MDA-a
44-1GB- CSFP/SFP
Stat
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
Pwr
1-100GB-CFP
Stat
Lnk Act
Alarms
1PPS
ACO/LT
Critical
Lnk
DTE
Pwr
7750 CPM-a
Stat
Console
Mgmt OES
SyncE/1588
BITS
Compact Flash
DCE
Act Lnk Act
Major Minor
Alarms
1PPS
ACO/LT
Critical
Lnk
DTE
Pwr
7750 CPM-a
Stat
Console
Mgmt OES
SyncE/1588
BITS
Compact Flash
DCE
Act Lnk Act
Major Minor
+
_
Pwr
Stat
+
_
Pwr
Stat
24537
6
8
4
7
1
2
5
9
3
7750 MDA-aXP