Figure 88: MPO-24 100-Gigabit Connector Pinouts (2X40 Mode)
Looking into the receptacle of the CPAK module with the mechanical key on top, the fibers are numbered as
follows:
• Top row, left to right: Fibers are numbered 12 through 1. Fibers 9, 8, 7, 6, 5, 4, 3, 2 are used for the
optical Rx signals.
• Bottom row, left to right: Fibers are numbered 24 through 13. Fibers 21, 20, 19, 18, 17, 16, 15, and 14
are used for the optical Tx signals
CPAK Breakout Cable Options
A CPAK optical module can either be configured as a fixed 1 x 100GE port, 2 x 40G ports, or 10 x 10GE
ports by using a fiber-optic breakout cable. The breakout cable contains several fibers (each with its own
jacket) surrounded by one common jacket. The following sections describe the 2X40G breakout configurations
for the CPAK-100G-SR10 and CPAK-10x10-LR optical modules.
Cisco does not provide the breakout cable. You can purchase this cable from a third-party vendor.
Note
CPAK-100G-SR10 2X40G Breakout
The following figure shows the 2X40G breakout for the CPAK-100G-SR10 optical module. In this example
the 24-fiber MPO trunk breaks out into two 12-fiber MPO-12 connectors for two 40G connections (interface
0 and interface 1).
Cisco ASR 9000 Series Aggregation Services Router Ethernet Line Card Installation Guide
153
Technical Specifications
CPAK Breakout Cable Options
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