Cisco 2600 Series Operation Manual page 109

Adding 6-Port MICA Modules to a Digital Modem Network Module
Figure 10-3 6-Port MICA Module
Polarization notch
To avoid damaging electrostatic discharge (ESD)-sensitive components,
Caution
observe all ESD precautions when handling MICA modules. To avoid damaging the
network module or the MICA module, avoid excessive force when you remove or replace
MICA modules.
To remove, replace, or install a MICA module, you must first remove the digital modem
module from the router chassis.
Connector edge
Alignment holes
Connecting Digital Modem Network Modules to a Network 10-7
Polarization notch