Accton Technology VS4512DC - Manual (Page 3)

Management Guide
VDSL Switch-V4512
VDSL Switch (with AC power connector) supporting 12 VDSL lines, with
2 Slots for Optional 1000BASE-SX, 1000BASE-LX, 1000BASE-T or
1000BASE-X GBIC uplink modules
VDSL Switch-VS4512DC
VDSL Switch (with DC power connector) supporting 12 VDSL lines, with
2 Slots for Optional 1000BASE-SX, 1000BASE-LX, 1000BASE-T or
1000BASE-X GBIC uplink modules