Integrated optical fiber shuffle harness for switch and compute trays

A system, comprising:

• a first rack, including,
• a first plurality of compute trays, each including a plurality of other processing units (XPUs) and a plurality of electric cable ports;
• a plurality of electrical-to-optical (e2o) switch trays, each having a plurality of electric cable ports and a plurality of optical cable ports, a plurality of e2o switch modules and an optical fiber shuffle harness;
• and
• a plurality of electrical cables connecting electric cable ports on the compute trays to electric cable ports on the plurality of e2o switch trays;
• a second rack, including,
• a plurality of optical-to-optical (o2o) switch trays, each including,
• a plurality of optical fiber ports installed on a frontside wall, the optical fiber ports having an internal port and an external port;
• an optical fiber shuffle harness;
• and
• a plurality of (o2o) switch modules;
• and
• a plurality of optical cables coupled between optical cable ports on the e2o switch trays and optical cable ports on the o2o switch trays.

A method implemented in a switch tray, chassis, or sled having a plurality of switch modules and including an optical fiber shuffle harness having a plurality of frontside optical connectors installed in a front wall and a plurality of backside optical connectors installed in a back wall, the method comprising:

• coupling optical fiber bundles to respective frontside optical connectors, each optical fiber bundle including at least four pairs of transmit (Tx) and receive (Rx) optical fibers;
• for each of multiple fiber bundles, routing respective pairs of Tx and Rx optical fibers to be coupled to respective backside optical connectors such that pair of Tx and Rx optical fibers are shuffled between the frontside optical connectors and the backside optical connectors within the optical fiber shuffle harness;
• and
• coupling optical fiber bundles from the backside connectors to optical switch modules.