NEC Univerge SV9100 Hardware Manual page 458

Issue 1.2
6 - 46
8. Push latch to right to unlock the cradle unit. Then push the
cradle unit forward to separate from the terminal body.
Figure 6-38 Bottom of Multiline Terminal (Legs Removed)
9. Fit the projections on the side of the PSA-L UNIT into the guide
holes on the side of the terminal and pull toward you until the
PSA-L UNIT snaps into place.
Figure 6-39 Attach PSA-L Unit to the Multiline Terminal
UNIVERGE SV9100
Latch
Installing SV9100 Optional Equipment