• Optional PoE and PoE+
• Output voltage: +12VDC for system power and -53.5VDC for PoE power
Slots and Interfaces
About Slots, Subslots, and Port Numbering
The Cisco 1100 series designates its interfaces using a 3-tuple notation that lists the slot, sub slot and port in
the format slot/sub-slot/port. The slot number is reserved for the mother board, which is "0". Each interface
type is allocated a sub slot and the port number is a unique port on the interface.
Table 4: Slot, Bay, and Port Numbering
Interface TypeSubslot
Ethernet LAN0
Ethernet WAN1
LTE2
DSL3
WIFI4
Specifications of Cisco 1100 Series Integrated Services Routers
For specifications on the Cisco 1100 Series ISRs, refer to the Cisco 1100 Series ISR Specifications document.
Periodic Inspection and Cleaning
We recommend that you periodically inspect and clean the external surface of the router is recommended to
minimize the negative impact of environmental dust or debris. The frequency of inspection and cleaning is
dependent upon the severity of the environmental conditions, but we recommend a minimum once every six
months. Cleaning involves vacuuming router air intake and exhaust vents.
Sites with ambient temperatures consistently above 25°C or 77°F and with potentially high levels of dust or
debris might require periodic preventative maintenance cleaning.
Note
Hardware Installation Guide for the Cisco 1000 Series Integrated Services Router
20
Overview of Cisco 1000 Series Integrated Services Routers
Slots and Interfaces
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