Part
3X-VT520-A4
is compatible in the following Models:
Terminals series
SINGLE SESSION ASCII/ANSI/PCTERM TEXT TE - VT510-A4
VT510 White DANISH NO KEYBRD - VT510-DD
VT510 White SWISS NO KEYBRD - VT510-DK
VT510 White CENT.EUR. NO KYBD - VT510-DX
VT510 Amber DANISH NO KEYBRD - VT510-FD
VT520 White N HEM - VT520-A4
VT520 white multi sess C EU - VT520-AX