
Data Sheet
TDM INTERFACE
One or two E1 ports provide connectivity
to any standard E1 device.
E1 interfaces feature:
Integral LTU for long haul applications
G.703 unframed and G.704 framed
modes
CAS and CRC-4 bit generation (E1).
SERIAL INTERFACE
An IPmux-2L data port is available for an
n64 kbps serial connection to legacy
equipment.
Provided via 25-pin D-type connector, the
serial port features the following
interfaces:
X.21
V.24/RS-232
RS-530/RS-422
V.35
V.36/RS-449.
DCE/DTE modes are selected via adapter
cables and IPmux-2L clock configuration.
Note: IPmux-2L can be ordered with serial data
port only, with no E1 interfaces installed.
ETHERNET CAPABILITIES
IPmux-2L features an internal Layer-2
Ethernet switch with three Ethernet ports.
The ports can be configured to operate as
network or user interfaces.
Each Ethernet port features:
Port-based rate limiting for bandwidth
control
Four priority queues (strict or
weighted) for handling traffic with
different service demands. Traffic is
classified according to IP Precedence,
802.1P, DSCP or port default priority.
Port-based VLAN membership for
ingress traffic restriction
Port-based VLAN tagging
Double VLAN tagging (VLAN stacking)
Bridging and filtering.
The device supports standard IP features,
such as ICMP (ping), ARP, next hop and
default gateway.
Lowers Opex of TDM
service by utilizing
packet infrastructure
Figure 2. TDM Backhaul and Trunking over a PSN
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