Rear panel
Table 7. Rear panel descriptions
Number Item Comments
▌1▐ Power supply 1 Standard on Base Module
Optional on Expansion Module (required
if drives are present)
▌2▐ Power supply 2 Optional on Base Module and Expansion Modules
▌3▐ Tape drive bays
▌4▐ Upper Expansion Module connection port
▌5▐ USB port Base Module only
▌6▐ Ethernet port B Base Module only (secondary port for service usage)
▌7▐ Ethernet port A Base Module only
▌8▐ Module alignment mechanism
▌9▐ Lower Expansion Module connection port
▌10▐ Unit Identifier LED, Blue
▌11▐ Controller Error LED, Yellow
▌13▐ Product Serial Number, Tag location
Physical and logical addresses of modules
The library assigns each module a unique address to indicate its physical location, shown in Figure 13 on
page 9. The physical numbering is bottom up on all modules.
Figure 12. Rear panel
8 Dell EMC ML3 Tape Library: User's Guide