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Overview

The following table describes the cable specifications needed to keep the insertion loss as low as possible.

Table 2: 40-Gb BASE-SR Cable Specifications

Interface

Ethernet 40-G BASE-SR4

850 nm wavelength

MPO-12 port adapter

Note

We recommend the following Cisco OM3 MTP/MPO cables.

Table 3: Cisco Cables

Cisco Part Number

CAB-ETH-40G-5M

CAB-ETH-40G-10M

CAB-ETH-40G-20M

1-Gb SX/10-Gb SR/10-Gb LR Network Module with Hardware Bypass

The following figure shows the front panel of the 1-Gb SX, 10-Gb SR and 10-Gb LR hardware bypass network

modules (FPR4K-NM-6X1SX-F, FPR4K-NM-6X10SR-F, FPR4K-NM-6X10LR-F). This is a single-wide

module that does not support hot swapping. The six ports are numbered from top to bottom, left to right. Pair

ports 1 and 2, 3 and 4, and 5 and 6 to form hardware bypass paired sets.

Note

See the

Cisco 40GBASE QSFP Modules Data Sheet

BASE-SR-4.

Make sure you have the correct firmware package and software version installed to support this network

module. For instructions on how to verify your firmware package version and to upgrade the firmware

if necessary, see the

Cisco Firepower 4100/9300 FXOS Firmware Upgrade

4100/9300 FXOS Compatibility

1-Gb SX/10-Gb SR/10-Gb LR Network Module with Hardware Bypass

Supported Cable

50 microns core diameter

2000/4700 (OM3/4) modal bandwidth (MHz*km)

50 m cable distance

for specifications of the QSFP for the 40-Gb

Cable Length

5 m

10 m

20 m

for the software compatibility matrix.

Guide. See

Cisco Firepower

Overview