Bri Main Units - Nortel BCM50 3.0 Quick Start Manual

14 Chapter 2 System overview
Figure 1 Standard main unit (BCM50e shown) ports and connectors
Retention-clip
mounting hole
Power
OAM
(port 0)

BRI main units

The table BRI main units descriptions
BRI main unit (BCM50be shown) ports and connectors
other BRI main units have similar ports and connectors.
Table 7 BRI main units descriptions
BRI main units
BCM50b main unit (with
Telephony only)
BCM50ba main unit (with
ADSL router)
BCM50be main unit (with
Ethernet router)
Figure 2 BRI main unit (BCM50be shown) ports and connectors
Retention-clip
mounting hole
Power
OAM
(port 0)
NN40020-308
WAN Additional LAN
LAN
Expansion/LAN
(port 1)
(port 2, port 3)
on page 14 describes the standard main units, and the figure
Description
The BCM50b main unit provides similar functionality to the BCM50 main unit. The
difference is that the BCM50b main unit has two integrated BRI ports that replace the
four analog lines on the RJ-21 telephony connector.
The BCM50ba main unit provides similar functionality to the BCM50a main unit. The
difference is that the BCM50ba main unit has two integrated BRI ports that replace
the four analog lines on the RJ-21 telephony connector.
The BCM50be main unit provides similar functionality to the BCM50e main unit. The
difference is that the BCM50be main unit has two integrated BRI ports that replace
the four analog lines on the RJ-21 telephony connector.
WAN Additional LAN
LAN
Expansion/LAN
(port 1) (port 2, port 3)
Music
Reset
source
switch
on page 14 shows a BRI main unit. The
BRI ports
Reset Music USB
switch source
RJ-21 telephony
USB
connector
The 4 lines
on the RJ-21
telephony
connector are
not available
with the BRI
ports.
RJ-21 telephony
connector