J4858C
HPE J4858C - Aruba Transceiver Aruba X121 1G SFP LC SX Transceiver. It is supplied new factory sealed, with the serial list issued before shipment and

The HP 12-port 10/100/1000BASE-T PoE+ / 12-port 1GbE SFP MACsec v3 zl2 module. J9989A is used with the 5400R zl2 Switch Series. It is supplied new factory sealed, with the serial list issued before shipment and 12 months replacement warranty as standard.
The HP 12-port 10/100/1000BASE-T PoE+ / 12-port 1GbE SFP MACsec v3 zl2 module. J9989A is used with the 5400R zl2 Switch Series. It is supplied new factory sealed, with the serial list issued before shipment and 12 months replacement warranty as standard.
Modules optics rails and power options are reviewed against J9989A before the quotation is issued, so the install crew is not blocked by a line nobody costed.
A vendor support contract for J9989A is written under the end customer name, so the entitlement sits with the organisation that owns the outage.
The serial list for your J9989A consignment is released before despatch, so it can be checked on the manufacturer portal while the goods are still with us.
Running one access standard across buildings of very different ages
Delivering inside vacation windows against a budget year that rarely aligns with the install date
Holding spares against generations the mainstream channel has already dropped
Bidding work that needs firm pricing and a written lead time before the end client is quoted
As published by Aruba for this part number. Full electrical, port and performance specifications are issued with the quotation against the current datasheet revision.
| Product Type | HPE 5400R zl2 Switch Series Modules |
|---|---|
| Supported Devices | HPE 5400R zl2 Switch Series |
| Weight | 2.07 lb |
| Product dimensions (H x W x D) | 10.3 x 8.13 x 1.75 in |
| Part Number | J9989A |
|---|---|
| Brand | Aruba |
| Category | Aruba Switches |
| Product Condition | New factory sealed |
| Serial Traceability | Full serial list supplied before shipment |
| Warranty | 12 months replacement plus optional vendor support contract |
| Packaging | Original vendor carton with export grade outer |
| Lead Time | Confirmed in writing per line at quotation |
| Delivery | Worldwide courier or freight from Hong Kong |
Values are taken from each manufacturer specification. A blank means the manufacturer does not publish that attribute for that model.
| Attribute | J9989A | J4858C | J4858D | J4859C |
|---|---|---|---|---|
| Drive Support | HPE 5400R zl2 Switch Series | - | - | - |
| Dimensions | 10.3 x 8.13 x 1.75 in | 2.24 width x 0.54 depth x 0.486 in. height | 0.6 x 2.2 x 0.5 in | 2.24 width x 0.54 depth x 0.486 in. height |
| Weight | 2.07 lb | 0.04 lb | 0.1 lb | 0.04 lb |
| Description | HPE 5400R zl2 Switch Series Modules | - | - | - |
| Ports | - | 1 LC 1000Base-SX port (IEEE 802.3z Type 1000Base-SX), Duplex:... | - | 1 LC 1000Base-LX port (IEEE 802.3z Type 1000Base-LX), Duplex:... |
| Reach | - | 2-220 m (62.5 µm core diameter, 160 MHz*km bandwidth), 2-275 m... | - | 2-220 m (62.5 µm core diameter, 160 MHz*km bandwidth), 2-275 m... |
| Product page | View J9989A | View J4858C | View J4858D | View J4859C |
Check J9989A character for character including any suffix. On this class of hardware a single trailing character commonly changes the software tier, the power option, or whether a bundle is included.
Confirm rack space, power feed, cabling and any uplink or accessory dependency before the order rather than on the day of installation.
Photograph the sealed carton, reconcile the serial against the list supplied before shipment, then open and confirm the unit matches the label.
Power the unit, capture the software version and the port or drive inventory, and record it while the unit is still accessible.
Register the support contract under the end user name so the entitlement sits with the organisation that owns the outage.
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Hardware supplied with the traceability and change discipline a clinical environment requires.
Connectivity for plant floors, warehouses and distribution sites built for continuous operation rather than office hours.
Top of rack switching, compute and storage delivered in the phased increments a cabinet build actually consumes.
Hong Kong is a practical despatch point for most of the world. Consignments go to the site, not to a central store and then out again.
An integrator carries the risk between quoting a client and receiving the hardware. Firm pricing and a written lead time per line is what makes that risk manageable.
Most refresh projects fail on supply rather than on design. A phased programme only works if every phase arrives complete on the date the change window was booked.
Lecture theatres and the library could not carry the client counts actually present, while the work could only happen during vacations
The tender required a firm price and date at submission, months before any award, across a bill of materials of several hundred lines
A support contract is bought once and used on the worst day of the year. The level and the name it is registered under both matter.
Five decisions set the part number. Getting them in the right order prevents most of the changes that happen late in a project.
Wireless installs are rarely delayed by the access point. They are delayed by the mount, the power class or the cable that feeds it.
Standard supply is new factory sealed in the original vendor carton. If a quotation offers another condition that is stated explicitly in writing before you commit.
Yes. Serials are issued before shipment so you can check them on the manufacturer portal while the goods are still with us.
Availability is confirmed in writing per line at quotation rather than as a project average, because one late line is what moves an installation date.
12 months replacement as standard. A vendor support contract is available separately and is registered under the end user name.
Yes. Consignments go worldwide by courier or freight from Hong Kong, with the routing chosen against the destination clearance regime and your deadline.
Yes. Consignments can be released directly to an end customer address under your own documentation.
Send the quantity and destination country. Availability and lead time come back in writing, with the serial list before shipment.