XL-T451, Power Port×1, Data Port×1
XL-T451 is a module specially designed for the NuPOE-M16EL chassis, acting as a PD (powered device) in the test. One NuPOE-M16EL chassis can contain 16 XL-T451 modules at most, from slot2 to slot17, which are supposed to emulate 16 PDs.