Cabling The Exp3500 Expansion Enclosure; Esm Connectors; Single-Esm Configuration; Removing The Lc-Lc Fibre Channel Cable From An Lc-Sc Fibre Channel Cable Adapter - IBM DS3500 Installation, User & Maintenance Manual

Figure 33. Removing the LC-LC Fibre Channel cable from an LC-SC Fibre Channel cable
adapter
3. Replace the protective caps on the cable ends.

Cabling the EXP3500 expansion enclosure

The EXP3500 expansion enclosure comes with one ESM, which enables you to
connect the EXP3500 expansion enclosure to a DS3500 storage subsystem. If you
are attaching the EXP3500 to a dual controller DS3500 storage subsystem, you
must add a second ESM to the EXP3500 expansion enclosure to provide a
redundant drive path.

ESM connectors

Figure 34 shows the connectors on the ESM.
SAS in connector 1
1
ESM
Figure 34. ESM connectors
SAS In 1
SAS In 2
SAS Out
Note: Each ESM contains two SAS In connectors. You can use either SAS In

Single-ESM configuration

The DS3500 RAID controller supports more than one EXP3500 expansion
enclosure per drive expansion port. You can connect two or more EXP3500
SAS in connector 2 SAS out connector
2
Connect a SAS cable to this connector and to either an IBM SAS RAID
controller or the SAS Out (↓) connector of another EXP3500.
Connect a SAS cable to this connector and to either an IBM SAS RAID
controller or the SAS Out (↓) connector of another EXP3500.
Connect a SAS cable to this connector and to the SAS In (↑) connector of
another EXP3500.
connector but only one SAS In connector can be used at a time.
Chapter 3. Cabling the storage subsystem and expansion enclosure
37