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Cisco 819 Integrated Services Router Hardware Installation Guide
OL-23125-02
Chapter 1 Product Overview
Hardware Features
DC Power Adapters
The optional external DC power adapters are available for 12 VDC and 24 VDC nominal vehicle power.
• 12 VDC vehicle adapter has a 10 VDC to 36 VDC operating range
• 24 VDC vehicle adapter has an 18 VDC to 75 VDC operating range
The vehicle power adapters may be used for fixed or mobile installations. They do not provide electrical
isolation; the input negative is connected to the output negative (chassis ground). Input cable is 1-meter
long with stripped and tinned bare wire connections. The input positive connection is a white wire and
the input negative is a black wire.
Note The 24 VDC vehicle adapters will be available on Q1CY13.
Railway Power Adapters
The optional external power adapters meeting Railway Standards are available from a third-party
supplier, Martek Power. Contact Martek Power directly to order and for detailed specifications. The use
of Martek Power adapters listed in the “Supported Power Adapters”section on page A-6 will maintain
Cisco warranty and support of the router; the power adapter itself is covered by Martek warranty. Input
connection to the railway adapters is by a 1-meter long wire with stripped and tinned bare wire
connection. A 1.3-meter long output cable connects to the router.
Accessories
Table 1-16 lists the accessories available for the Cisco 819 ISRs. For a complete list of SKUs that support
these accessories, see the “Platform Features for Cisco 819 ISRs”section on page 1-11.
Ta b l e 1-16 Cisco 819 ISR Accessories
Cisco Part Number Accessory
69-2453-01 Power cord retention lock
69-2454-01 Power switch lock cover