11
4
Port Mapping
External Port LED Number 1-20
External QSFP28 Ports Q1-Q5
QSFP28
100G
A / 1
B / 2
C / 3
D / 4
Cable Link
– When using a split cable, normally each vendor's QSFP28 to 4xSFP28 cables
have labels printed on their 4xSFP28 split cables with either A, B, C and D or 1, 2, 3 and 4 to
represent the cable. The column addresses both the specifications with, example A/1 (A or 1).
External Port
– Q1 to Q5 refer to the external QSFP28 ports on the pass-thru module.
External Port LED
– This is the QSFP28 (Q1 to Q5) port LED number (split) on the module
front panel.
Figure 6. External Ports Labeled
Figure 7. Split Cable Labeled
