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RICEWIND

ZTE / Baseband Units & Processing Boards (BBU)

FS0 Equipment information & support

RICEWIND ZTE FS0 BBU Fabric Switch & Expansion Board (6xOptical Ports Non-Blocking IQ Bus)

Equipment information

Brand
ZTE
Equipment model
FS0
Equipment type
Baseband Units & Processing Boards (BBU)
Controller / software version
Confirm against the installed equipment
View full product specifications
RICEWIND ZTE FS0 BBU Fabric Switch & Expansion Board (6xOptical Ports Non-Blocking IQ Bus) - View 1

Information below comes from the current product catalogue. Confirm the controller, software version and configuration of the installed equipment separately.

BOARD ROLE
BBU Fabric Switch & Inter-Chassis Optical Interconnect Board
OPTICAL PORTS
6 × High-Speed Optical Ports (6.144G / 9.83G / 10GE)
SWITCHING CAPACITY
Non-Blocking High-Speed IQ Bus Switching & Cross-Board Forwarding
POWER CONSUMPTION
Typical Power ≤ 35W (Low-Power Compact Architecture)
CHASSIS COMPATIBILITY
ZTE ZXSDR B8200 / B8300 BBU Subracks
OPERATING TEMP
-10°C ~ +55°C (Carrier-Grade Industrial)

Alarms & troubleshooting

060301 (CROSS_SUBRACK_RING_BROKEN / Inter-Subrack IQ Bus Ring Broken)
FS0 front panel RING LED turns yellow solid or flashes red; cascaded secondary subrack downgraded
Inter-chassis 10GE multimode jumper disconnected/cut, or FS0 cross-connect fabric packet drop
1. Query ring status via CLI: `SHOW RING TOPOLOGY` to locate the exact open-loop optical segment; 2. Inspect OM3 multimode patch cord for mechanical crush or sharp radius bend, re-seat LC connectors firmly; 3. Swap 10G multimode SFP+ optical transceiver; RING LED automatically returns to solid green upon ring restoration.
060304 (PORT_BUFFER_OVERFLOW / Optical Port Ingress Buffer Congestion)
Board ACT LED green, but switch port yellow LED flashes frantically; EMS reports packet loss spikes
Sudden extreme traffic burst saturates cross-subrack IQ bus; throughput exceeds port SRAM queue depth causing tail drops
1. Execute CLI diagnostic `SHOW PORT BUFFER STAT` to inspect congested queue distribution; 2. Reconfigure QoS scheduling profile, elevate signaling priority, and enable WRED early drop mechanism; 3. Install a second 10G optical tie-line and configure LACP aggregation to double inter-subrack switching capacity.
060309 (BOARD_SLOT_MISMATCH / Subrack Slot Assignment Conflict)
Board RUN LED off, ALM LED flashing yellow slowly; main control reports slot pre-configuration mismatch
FS0 board physically seated into ordinary baseband slot (e.g. Slot 2/3) instead of designated fabric slot (e.g. Slot 6)
1. Verify B8200/B8300 chassis slot assignment documentation to confirm legal FS0 slot assignments; 2. Wear ESD wrist strap, release latch handles, and gently pull out FS0 board; 3. Re-align and push board into the designated fabric slot, lock handles; system will auto-detect and load drivers.

Access Complete Maintenance & Full Alarm Troubleshooting Manual

This page lists high-frequency critical alarm codes commonly encountered in field maintenance. Comprehensive manufacturer troubleshooting matrices, board-level repair guides, detailed electrical schematics, and firmware commissioning manuals are delivered alongside equipment upon formal project procurement, accompanied by dedicated FAE technical support.

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