TX300 S7 / RX350 S7 Upgrade and Maintenance Manual 543
Expansion cards and backup units
Ê Remove the system fan holder as described in section "Removing the
system fan holder" on page 389.
9.7.2.3 Preparing the BBU
Figure 371: Connecting the BBU cable
Ê Connect the BBU cable (T26139-Y3987-V2) to the BBU board (Lx-25343-
xxx, BBU08) as shown.
V CAUTION!
Make sure that the connector side with the three dots points towards you
(see close-up). Otherwise, short-circuits may result!