The Cisco® 4000 Series Integrated Services Routers (ISRs) host the Cisco network interface modules (NIMs), which have evolved from the enhanced high-speed WAN interface card (EHWIC), increasing port density and module capABIlity. Up to three integrated NIM slots on the 4000 Series allow for flexible configurations. The NIMs support online insertion and removal (OIR), reducing the downtime required for new or replacement modules.

Description:

CISCO NIM-4FXO 4-Port ISR4000 Network Interface Module 

Features:

The FXO features include:

●   Supports both ground start and loop start modes

●   Provides call detail record (CDR) information

●   Support for interworking with Cisco Unified Communications Manager (Skinny Client Control Protocol [SCCP]), H.323, Session Initiation Protocol (SIP) and Media Gateway Control Protocol (MGCP) 1.0

●   Cable detection

●   Overload protection

The FXO port is used to connect to PBX or key systems, or to provide off-premises connections to the public switched telephone network (PSTN). It supports battery reversal detection and caller ID. This VIC can be software configured to work in all countries. lt is also used to connect to analog Centralized Automatic Message Accounting (CAMA) trunks to provide dedicated E-911 service (North America only).