APC IP DSLAM User's Guide download pdf (Page 49)

EDA 1200 Nodes

4.1.3 12-line IP DSLAM EDN312x

The 12-line IP DSLAM EDN312x is powered over the

Ethernet cable, making installation easier as both data and

power run in the same cable. EDN312x is an essential part

of the large EDN288x IP DSLAM, but EDN312x can also

be placed in small subracks or in environmental hardened

cabinets.

The two 100 Mbps uplinks are made for redundancy

purposes and the RSTP function automatically switches to

the working link.

The two uplinks also make power feeding from two different

sources possible. When power is down on one of the

cables, the IP DSLAM automatically switches to the other

inlet for power feeding. Power can only be fed from one

inlet at a time. Any intermediate power feeding from both

connections is not possible.

If redundancy is not required, the cost effective EDN312xs

can be used. It has a single Ethernet uplink and no line

LEDs. Other variants with or without built in filter and line

LEDS are also available.

The following table lists the EDN312 variants:

Table 14 EDN312 Variants

Name Uplink ports Analog

front-end

Line LEDS

Built-in filter

EDN312xp 2 x 100 Mbps POTS

√√

EDN312x-p 2 x 100 Mbps POTS

√

EDN312xsp 1 x 100 Mbps POTS

√

EDN312xs-p 1 x 100 Mbps POTS

÷÷

EDN312xe 1 x 100 Mbps POTS (ETSI

standard)

√√

EDN312xse 1 x 100 Mbps POTS (ETSI

standard)

√

EDN312xa 2 x 100 Mbps ANSI

√√

EDN312xi 2 x 100 Mbps ISDN

√√

EDN312x-i 2 x 100 Mbps ISDN

√

EDN312xs-i 1 x 100 Mbps ISDN

÷÷

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