• ToD + 1 PPS Output—Provide time of day (ToD) messages or one pulse-per-second (1 PPS) messages
• IRIG-B (analog and digital Input/Output) interfaces
• GNSS Receiver
Figure 4: IRM-TIMING-MOD Timing Module
Timing card is pluggable but does not support OIR operation. The module has to be plugged in when the
IR8340 is fully shut down.
SD Flash Memory Card
The Cisco IR8340 router supports a flash memory card that makes it possible to replace a failed router without
reconfiguring the new router. The slot for the flash memory card is on the front of the router. The flash card
is hot swappable and can be accessed on the front panel in non hazardous locations only. A cover protects the
flash card and holds the card firmly in place. The cover is hinged and closed with a captive screw. This prevents
the card from coming loose and protects against shock and vibration.
For more information on inserting and removing the flash memory card, see Replacing the SD Flash Memory
Card, on page 29.
Network Interface Modules
The Network Interface Modules (NIMs) support data applications on the Cisco IR8340 router.
The following NIMs are supported:
• IRM-NIM-2T1E1—2 ports T1/E1 module, provides T1/E1 connectivity to the router.
• IRM-NIM-RS232—8 ports async/sync RS232 serial module, provides serial connectivity to the router.
Cisco Pluggable Modules
The Pluggable Module provides the flexibility of adding different interfaces to the IR8340 router, for example,
a cellular module.
The IR8340 router supports the following Pluggable Modules:
• P-LTE-MNA
• P-LTEA-EA
• P-LTEA-LA
Cisco Catalyst IR8340 Rugged Series Router Hardware Installation Guide
6
Product Overview
SD Flash Memory Card
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