Figure 2-12 SFP hot-plugable fibre port with LC connector fiber cable

Ethernet and serial ports

Each controller card has a 10/100 copper Ethernet port to attach to a customer-supplied LAN. Both controllers must be attached to the same LAN and have connectivity to the customer-supplied PC that has the DS Storage Manager software installed on it. This port has both a status and an activity light. In addition, there is a serial port provided for each controller. This is not a modem port and is not intended to have a modem attached to it. Its main purpose is for maintenance by an IBM System Service Representative (SSR), and possibly for some initial setup tasks.

Health indicators

Contained in an orange box, each controller card has two status indicators located below a chip symbol. The upper indicator is green and indicates that the controller card is powered on. The lower indicator is amber and indicates that this controller requires service.

2.6 Expansion enclosure SBOD controller card

The DS6000 SBOD controller card is only found in the expansion enclosure. Each SBOD controller card contains an independent 22 port Fibre Channel switch. Of these 22 ports, 16 are used to attach to the 16 disks in the expansion enclosure. Four more are used to interconnect with other enclosures, with the remaining two ports reserved for internal use. Figure 2-13 on page 36 shows the connectors on the SBOD controller card. The two in ports

on the left are the switch ports that connect either to the server enclosure (to either the disk exp loop or the disk contrl loop) or to the out ports of a previous expansion enclosure. The

two out ports on the right (in light blue boxes) are the switch ports that attach to the in ports of the next expansion enclosure. If there are no extra expansion enclosures then they are not used.

Chapter 2. Components 35

Page 59
Image 59
IBM DS6000 Series manual Expansion enclosure Sbod controller card, Ethernet and serial ports, Health indicators