LOT OF TWO (2) 3Com OfficeConnect Dual Speed Hub 8Model / P/N: 3C16753Manufacturer: 3Com CorporationCountry of Origin: China (label: MADE IN CHINA)Condition: Used, tested working. Includes BOTH original-style AC adapters.
WHAT YOU GET• (2) 3Com OfficeConnect Dual Speed Hub 8 units, P/N 3C16753• (2) matching AC power adapters• No original boxes, no manuals, no extra cables
TEST NOTESOne unit tagged “Tested Good – 20 JAN 2023” (ODS Divestment 2023). Both units power on with adapters. Front LEDs present: Power, Collision (10M/100M), Port Status 1–8. Sold as used working lot. No further network traffic test guaranteed beyond power-on / LED check.
TECHNICAL SPECS (3C16753)• 8 x RJ-45 autosensing 10BASE-T / 100BASE-TX ports• Dual-speed hub (Class II repeater) with internal switch between the 10 Mbps and 100 Mbps segments• Per-port autosense: matches attached device speed• Port 8 has Uplink / Normal switch (MDI/MDI-X style uplink to another hub/switch)• Ports operate half-duplex• Front LEDs: – Power – Collision (10M / 100M) – Port Status 1–8: Green = 100M, Yellow = 10M, Flash = activity• Rear: 8 RJ-45, Uplink/Normal switch on port 8, DC power jack• Power input: 10–30 VDC, 1.0 A MAX (external adapter — use the included adapters only)• Power consumption: approx. 3 VA• Standards: IEEE 802.3 / ISO 8802/3 (10BASE-T and 100BASE-TX)• EMC: FCC Part 15 Class B, ICES-003 Class B, CE, VCCI, UL listed (E141136 I.T.E.), GS• Typical size: ~220–228 mm W × ~36–42 mm H × ~135 mm D• Weight: ~0.55–0.60 kg each (about 1.2–1.3 lb)• Operating: 0–40 °C, 0–90% non-condensing humidity• Form factor: beige OfficeConnect desktop enclosure, stackable with other OfficeConnect units
THIS IS A HUB, NOT A MODERN SWITCHShared-collision-domain 10/100 hub from the OfficeConnect era. Fine for vintage PCs, lab benches, isolated 10/100 segments, or spare parts. Not gigabit. Not managed. Not PoE.
CONDITION / COSMETICSBeige plastic cases with normal used marks, scuffs, and dirty rubber feet. One unit has handwritten “QC” on the end cap. Labels intact including FCC / UL / CE / 3C16753.
Returns: No returns for “I wanted a gigabit switch.”