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Internal Address

126 StreamLine™ SL8500 Modular Library System User's Guide • March 2007

Revision K • 96154

Internal Address

The internal address is a five-digit comma-separated value (L,R,C,S,W) representing 

Library, Rail, Column, Side, Row, viewed from inside the library facing the drive bays. This 

addressing scheme is used by the firmware and internal communications to represent 

all devices and locations within the library. 

Library number (within a library complex)

Rail number: Rails are numbered 1 through 4, rail 1 is the top rail

Column number: Columns, where +1 is right of the center of the drive bays and -1 is 

left of the center of the drive bays

Side number: Outer walls = 1, inner walls = 2 (all drives are side 1, the outer walls)

Row number: Numbered consecutively, from the top (1) down

2

Drive 45

Drive 46

Drive 47

Drive 48

Drive 41

Drive 42

Drive 43

Drive 44

Drive 37

Drive 38

Drive 39

Drive 40

Drive 33

Drive 34

Drive 35

Drive 36

3

Drive 29

Drive 30

Drive 31

Drive 32

Drive 25

Drive 26

Drive 27

Drive 28

Drive 21

Drive 22

Drive 23

Drive 24

Drive 17

Drive 18

Drive 19

Drive 20

4

Drive 13

Drive 14

Drive 15

Drive 16

Drive 9

Drive 10

Drive 11

Drive 12

Drive  5

Drive  6

Drive  7

Drive  8

Drive  1

Drive  2

Drive  3

Drive  4

sNumbers shown are referenced from the rear of the tape drive and 

electronics module.

Drive Bay Address  (Continued)