RAD Data comm IPmux-11 Specifications download pdf (Page 16)

Chapter 1 Introduction Installation and Operation Manual

1-2 Overview IPmux-11 Ver. 2.00

Application

Figure 1-1 illustrates a typical IPmux-11 multiplexing voice and Ethernet traffic over

an IP link.

Figure 1-1. Multiplexing Voice and Ethernet over a Packet-Switched Network

Features

E1 Interface

The E1 port complies with G.703, G.704, and G.823 standards. The E1 port

supports unframed, framed and multiframed operation with or without CRC-4.

The E1 port supports long haul and short haul input signals and can be monitored

for alarms and error statistics.

T1 Interface

The T1 port complies with ANSI T1.403, G.703, and G.704 standards. T1 jitter

performance is according to G.824 and TR-62411. The T1 port supports

unframed, SF, ESF and Robbed Bit signaling. The T1 port supports long haul and

short haul input/output signals and can be monitored for alarms and error statistics.

FDL and transmit performance monitoring for T1/ESF are also supported.

Ethernet Interface

IPmux-11 is available with three Ethernet ports (two user and one network port).

The Ethernet ports work in the following switch modes:

• Transparent

• Tagged

• Untagged

• Double Tagged.

Half-duplex operation in the IPmux-11 network port is not recommended when

transmitting small-size packets, because collisions and backoffs cause large delay

variation and may exceed the delay variation buffer tolerance at the receiving end,

resulting in buffer underflows and errors.

Note

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RAD Data comm IPmux-11 Specifications Page 16