Small Form-Factor Pluggable (SFP) modules
The DCS3700 storage system controllers support the optional 8Gbps fibre channel host interface card. The
fibre channel host interface card contains four host port interface connectors. You must install a Small
Form-factor Pluggable (SFP) module in each interface connector on the controller where a fibre optic
cable is to be installed.
Figure 12 shows an SFP module with fibre optic cable.
Note: The SFP module shown might look different from those shipped with your fibre channel host
daughter card option. The differences does not affect transceiver performance.
Software and hardware compatibility and upgrades
The latest DCS3700 controller firmware and NVSRAM, expansion enclosure ESM firmware, and the drive
firmware must be installed to ensure optimal functionality, manageability, and reliability.
Unless stated otherwise, you can find the latest publications, firmware, and host software at
www.ibm.com/support/entry/portal.
Software and firmware support code upgrades
To enable support for the DCS3700, you must ensure that your system's software and firmware are at the
latest levels. Table 2 shows the minimum supported software and firmware levels.
Table 2. Minimum DCS3700 software and firmware levels
Software/firmware Level
DS Storage Manager software 10.77.xx.xx or higher
DCS3700 controller firmware and
NVSRAM
07.77.18.00 and N1818D37R0777V05 or higher
ESM firmware 0343
1
2
L
n
k
L
n
k
L
n
k
L
n
k
ID/Diag
L
n
k
L
n
k
8
8
1
2
L
n
k
L
n
k
L
n
k
L
n
k
ID/Diag
L
n
k
L
n
k
8
8
AC
DC
2
1
I
O
AC
DC
2
1
I
O
Fiber-optic
cable
SFP
module
dcsi0005
Figure 12. SFP module and fibre optic cable
Chapter 1. Introduction 15
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