Model 941 with eight I/O enclosures
Use the point-to-point cabling diagram to route the PCIe cables in a Model 941.

| From CEC R1-XC1 | To Rack 1 I/O Enclosure | FRU P/N |
|---|---|---|
| R1-XC1-P1-C1-T1 | (1B1) R1-XI1-P1-C7-T1 | 45W1936 |
| R1-XC1-P1-C2-T1 | (1B2) R1-XI2-P1-C7-T1 | 45W1937 |
| R1-XC1-P1-C3-T1 | (1B3) R1-XI3-P1-C7-T1 | 45W1936 |
| R1-XC1-P1-C5-T1 | (1B4) R1-XI4-P1-C7-T1 | 45W1938 |
| From CEC R1-XC1 | To Rack 2I/O Enclosure | FRU P/N |
| R1-XC1-P1-C9-T1 | (2B1) R2-XI1-P1-C7-T1 | 45W1939 |
| R1-XC1-P1-C9-T2 | (2B2) R2-XI2-P1-C7-T1 | 45W1939 |
| R1-XC1-P1-C9-T3 | (2B3) R2-XI3-P1-C7-T1 | 45W1939 |
| R1-XC1-P1-C9-T4 | (2B4) R2-XI4-P1-C7-T1 | 45W1939 |
| From CEC R1-XC2 | To Rack 1 I/O Enclosure | FRU P/N |
| R1-XC2-P1-C1-T1 | (1B1) R1-XI1-P1-C7-T2 | 45W1935 |
| R1-XC2-P1-C2-T1 | (1B2) R1-XI2-P1-C7-T2 | 45W1936 |
| R1-XC2-P1-C3-T1 | (1B3) R1-XI3-P1-C7-T2 | 45W1936 |
| R1-XC2-P1-C5-T1 | (1B4) R1-XI4-P1-C7-T2 | 45W1937 |
| From CEC R1-XC2 | To Rack 2 I/O Enclosure | FRU P/N |
| R1-XC2-P1-C9-T1 | (2B1) R2-XI1-P1-C7-T2 | 45W1939 |
| R1-XC2-P1-C9-T2 | (2B2) R2-XI2-P1-C7-T2 | 45W1939 |
| R1-XC2-P1-C9-T3 | (2B3) R2-XI3-P1-C7-T2 | 45W1939 |
| R1-XC2-P1-C9-T4 | (2B4) R2-XI4-P1-C7-T2 | 45W1939 |