Dell IP4700 Service Guide - Page 42

Addressing Requirements, Loop Environments

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Installing an IP4700 2 Addressing Requirements Each IP4700 and DAE on a back-end loop needs a unique enclosure address (EA) that identifies the enclosure and determines disk module addresses. The IP4700 has a fixed EA of 0 that you cannot change. If you cable any DAEs to the IP4700, you might want to set the EA on the first DAE (the one closest to the IP4700) to 1, the next to 2, and so on. The enclosure address is displayed in lights visible behind the front door, shown in Figure 2-4. Enclosure addresses 02 4 0 13 5 # 1 6 8 10 7 9 11 # EMC1471 Figure 2-4 IP4700 EnclosureAddress LEDs The DAE enclosure address is visible on the EA switch behind the front door. IMPORTANT: You must NOT change the DAE address while the system is active. Loop Environments You address the IP4700 with the FC-AL address ID and the enclosure address (EA). 2-6 IP4700 Installation and Service Guide

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2
2-6
IP4700 Installation and Service Guide
Installing an IP4700
Addressing
Requirements
Each IP4700 and DAE on a back-end loop needs a unique enclosure
address (EA) that identifies the enclosure and determines disk
module addresses. The IP4700 has a fixed EA of 0 that you cannot
change. If you cable any DAEs to the IP4700, you might want to set
the EA on the first DAE (the one closest to the IP4700) to 1, the next to
2, and so on. The enclosure address is displayed in lights visible
behind the front door, shown in Figure 2-4.
Figure 2-4
IP4700 EnclosureAddress LEDs
The DAE enclosure address is visible on the EA switch behind the
front door.
IMPORTANT:
You must NOT change the DAE address while the system is
active.
Loop Environments
You address the IP4700 with the FC-AL address ID and the enclosure
address (EA).
EMC1471
0
0
2
4
13
5
#
6
8
10
79
11
#
1
Enclosure
addresses