BLACK BOX NETWORK SERVICES CAT3 PATCH PANEL 48 PORT 568A,DESIGNED FOR DATA AND VOICE TRANSMISSION, OPERATES AT SPEEDS UP TO 10 Mbps, DIMS: 3.5"H x 19"W x 1.6"D. NEW (old stock) Dated 1/30/1997 Stored in warehouse, I opened box for display purposes. Guaranteed to work or your money back. Free Same Day Shipping!