Cisco EF4116 User Manual

Preparing for Installation 2-29
Network Connection Considerations
BRI Connections
The BRI network processor module (see Figure 2-31 and Figure 2-30) supports 8 Basic Rate
Interface (BRI) ports. Each BRI port is an RJ-45 8-pin connector. Use an appropriate cable to
connect the BRI module directly to an Integrated Services Digital Network (ISDN) through an ISDN
channel service unit/digital service unit (CSU/DSU) called the NT1. The common carrier will
provide the NT1 connection, except in North America, where the NT1 is customer owned.
Figure 2-30 4-Port BRI Network Processor Module
Figure 2-31 8-Port BRI Network Processor Module
Warning
Network hazardous voltages are accessible in the BRI cable. If you detach the BRI cable,
detach the end away from the router first to avoid possible electric shock. Network hazardous
voltages are also accessible on the BRI module in the area of the BRI port (RJ-45 connector), even
when power is turned OFF. (See Figure 2-30 and Figure 2-31.)
H2520
RJ-45
BRI ports
LEDs
87654321
PORT-7 PORT-6 PORT-5 PORT-4
PORT-3 PORT-2 PORT-1 PORT-0
76543210
ISDN
BRI
H2412
RJ-45
BRI ports
LEDs
87654321
PORT-7 PORT-6 PORT-5 PORT-4
PORT-3 PORT-2 PORT-1 PORT-0
76543210
ISDN
BRI

Cisco EF4116 Specifications

General

Brand	Cisco
Model	EF4116
Category	Network Router
Language	English