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EDA 1200 Nodes

4.6.1 Fast Ethernet to E1/T1 Converter EXN104

EXN104 is a small managed Fast Ethernet to 4xE1

converter. It is developed as a cost-effective solution

for EDA 1200 rollout where no Ethernet uplink is

available. EXN104 makes it possible to transport

the Ethernet traffic via vacant E1 lines. EXN104 is

intended for installation of EDA 1200 at small sites

with a few IP DSLAMs and existing physical E1 uplink

connections towards the central office and EXN104

is often used in a back-to-back solution as shown in

Figure 29 on page 57.

Figure 29 EXN104 in a Back to Back solution

EXN104 has a single RJ-45 port, which supports 100BASE-TX on CAT 5

cables and conforms to IEEE 802.3u. Like the IP DSLAM, EXN104 is powered

via the Ethernet port. On the MDF interface EXN104 supports four 120 W E1

ports (2048 kbps) that conform to ITU-T G.703.

EXN104 is fully manageable via SNMP from, for example, the Public Ethernet

Manager (PEM) and EXN104 is transparent to all kinds of traffic. Examples are

IEEE 802.1Q VLAN, MAC address based VLAN, VLAN tag ID based, and

untagged frames. Prioritization is handled according to IEEE 802.1Q with eight

priority levels and four queues.

All software/firmware is upgradeable via the Fast Ethernet and E1 port. The

EXN104 can operate autonomously because firmware and configuration is

stored in flash.

The installation is Plug and Play with optional pre-configuration. EXN104 is

installed directly into a 10-pair LSA-PLUS or LSA PROFILE.

1/1551-LZA 101 464-V1 Uen C 2009-12-17

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APC IP DSLAM Guía de usuario Pagina 61