- Is the JG421A a switch on its own?
- No. It is an interface module that plugs into a compatible HP FlexNetwork MSR router. It adds four Gigabit copper ports to that router; it does not work alone.
- Which routers accept this module?
- It fits HP MSR routers that have a free HMIM slot, such as several MSR 30 and MSR 50 series models. Check your router's slot type and supported modules before buying.
- Does it support PoE or fiber?
- No. All four ports are 1000Base-T copper RJ45. There is no Power over Ethernet and no fiber option on this module.
- Do I need transceivers or special cabling?
- No transceivers are needed. Standard Cat5e or Cat6 copper cabling with RJ45 connectors is enough for Gigabit links.
- Is it worth it over replacing the router?
- If your MSR router is still supported and has a free slot, the module is a cheaper way to add Gigabit ports than a new router. If the router is end-of-life, a newer model makes more sense.
- Where is the HP JG421A FlexNetwork MSR 4 x Ports 1000Base-T HMIM Module cheapest?
- At eBay, for $905.00, 27% under what the other stores charge, as of our latest check.
- Where can I buy the HP JG421A FlexNetwork MSR 4 x Ports 1000Base-T HMIM Module?
- 5 stores we checked sell it, including Gotodirect, Amazon, Newegg.com, eBay, NetworkTigers.