AddOn J4858C-AO SFP transceiver 1000Base-SX 850nm 550m LC
- Transceiver
- TCP/IP
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10GBASE-ER XFP transceiver for Juniper networks, 10 Gbps long-range connectivity
The Axiom 10GBASE-ER XFP transceiver provides 10 Gigabit Ethernet connectivity for compatible Juniper network equipment. It is designed for network engineers and administrators who require extended-reach optical links in enterprise or service-provider environments.
The transceiver operates within standard XFP power and thermal limits during typical operation. It draws power directly from the host module slot without an external supply. The unit maintains stable signal quality at normal ambient temperatures found in data-centre racks.
The module supports continuous 10 Gbit/s transmission over single-mode fibre for extended distances. It maintains link integrity during prolonged high-throughput sessions without performance degradation. First listed by the manufacturer on May 30, 2026.
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Slide the module firmly until the latch clicks; the step often missed is removing the dust plugs from both the transceiver and the patch cable before insertion.
The optical interfaces require periodic cleaning with a lint-free swab and isopropyl alcohol; the module itself has no user-serviceable parts and is replaced only if link errors persist.
The optical budget and 10 Gbps line rate define the reach; sustained use is limited by the link distance and signal integrity rather than a thermal throttle point.
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