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Connecting DSLAMs to Each Other
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide
29
— For an SFP copper connection, plug your transceiver into the SFP
socket. Plug the 8-position modular plug of your uplink cable into the
SFP transceiver’s modular jack.
— For an SFP fiber connection, plug your transceiver into the SFP
socket. Plug the LC connector of your fiber optic uplink cable into the
cable socket of the transceiver. Observing the minimum bend radius
for your cable, fasten it with cable ties in such a way that it will not be
kinked or snagged in the course of other cabling. If you do not know
the specifications for your cable, maintain a radius of at least ten
times the cable diameter.
2 Connect the other end of the uplink cable to the uplink interface, such as
an Ethernet switch.
Connecting DSLAMs to Each Other
Two or more DSLAMs can be daisy-chained together. All DSLAMs in this
configuration must have a MIM installed; the MIM2000F, with two GigE
ports, is recommended for performance reasons.
When daisy-chaining, one Ethernet port must be connected to the LAN,
normally to a router. A second Ethernet port is connected to an Ethernet port
of another 4900 DSLAM, or to the uplink interface.
The connection to the downstream DSLAM must be specified. This is done
using the web interface. See DSLAM Interconnect Configuration in Chapter 5,
Configuration Using the NMS.
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