Part
8121-1738
is compatible in the following Models:
Aruba 2930M Switch Series
Aruba 2930M 24 Smrt Rte PoE+ 1s Swch - JL324A
Aruba 3810M Switch Series
Aruba 3810M 48GPoE+4SFP+680W Swch - JL428A
Aruba 3810M 24SFP+250W Swch - JL430A