Q: Will this work in place of the Aruba JL310A?
A: Yes. The JL310A-BCC is a drop-in compatible replacement designed to the same IEEE 802.3ba 100GBASE-LR4 standard with matching QSFP28 form factor, 100Gb/s data rate, CWDM wavelength grid, and duplex LC interface. It is plug-and-play compatible with Aruba platforms that specify the JL310A transceiver.

Q: Which Aruba platforms support this transceiver?
A: This transceiver is compatible with Aruba platforms that support 100GBASE-LR4 QSFP28 modules, including the 2930M, 3810, 3810M, 5400R, 8325, and 8400 series switches. Compatibility is determined by the platform's support for IEEE 802.3ba 100GBASE-LR4 over QSFP28 ports rather than specific vendor part number coding.

Q: What fibre type and patch cable configuration does this require?
A: This transceiver requires a duplex LC single-mode fibre patch cable (OS2 grade or G.652 compliant). It uses two fibres: one for transmit, one for receive. Maximum reach of 10km assumes typical 0.4dB/km attenuation for SMF plus allowance for connector and patch panel insertion loss. It is not compatible with multi-mode fibre.

Q: How do I access the Digital Optical Monitoring data from this module?
A: DOM data is accessible via the host platform's management interface using standard Digital Diagnostics Monitoring Interface (DDMI) commands defined in SFF-8636. Most Aruba switch operating systems expose this data through CLI commands (such as show interface transceiver) or SNMP MIBs, displaying real-time transmit power, receive power, temperature, voltage, and alarm thresholds.

Q: What is the electrical interface and power consumption for this transceiver?
A: The module uses a four-lane electrical interface operating at 25.78125 GBd per lane (103.125 Gbps aggregate) with NRZ signalling, compliant with the QSFP28 MSA. Typical power consumption is under 3.5W with a maximum of 4.0W, drawing from a single 3.3V supply provided by the host QSFP28 cage. This is within the power class limits for QSFP28 modules.