IBM Power Systems 775 Manual page 33

LL0 Bus 8B
Copper
8B
LL1 Bus 8B
Copper 8B
LL2 Bus
8B
Copper 8B
LL3 Bus
8B
Copper 8B
LL4 Bus
8B
Copper 8B
LL5 Bus
8B
Copper 8B
LL6 Bus
8B
Copper
8B
4 Drawer Interconnect to Create a Supernode
12 Lanes (10 + 2 spare) 12 Lanes (10 + 2 spare)
12 Lanes (10 + 2 spare) 12 Lanes (10 + 2 spare)
O to 16 O to 16
24 Fiber D-Links 24 Fiber D-Links
Optical Optical
Xmit & Rec Xmit & Rec
(D-Link) (D-Link)
Figure 1-10 Hub module diagram
Torrent
Diff PHYs
24
L remote
HUB to QCM Connections
Buses
Address/Data
L remote
Optical
(Not to Scale) (Not to Scale)
Chapter 1. Understanding the IBM Power Systems 775 Cluster
I2C_0 + Int
I2C_27 + Int
D0 Bus
12x
Optical
12x
D15 Bus
12x
Optical
12x
Optical Optical
Xmit & Rec Xmit & Rec
(D-Link) (D-Link)
Optical Optical
Xmit & Rec Xmit & Rec
(LR-Link) (LR-Link)
6 Lanes (5 + 1 spare) 6 Lanes (5 + 1 spare)
6 Lanes (5 + 1 spare) 6 Lanes (5 + 1 spare)
6 Lanes (5 + 1 spare) 6 Lanes (5 + 1 spare)
6 Lanes (5 + 1 spare) 6 Lanes (5 + 1 spare)
6 Lanes (5 + 1 spare) 6 Lanes (5 + 1 spare)
6 Lanes (5 + 1 spare) 6 Lanes (5 + 1 spare)
6 Lanes (5 + 1 spare) 6 Lanes (5 + 1 spare)
6 Lanes (5 + 1 spare) 6 Lanes (5 + 1 spare)
19