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ZyXEL Communications IES-22A - Figure 9 MDF Wiring

ZyXEL Communications IES-22A
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Chapter 3 Front Panel
IES-708-22A User’s Guide
52
Figure 9 MDF Wiring
Connect wiring from end-user equipment to the lower ports of an MDF using a telephone
wire. Connect wiring from the telephone company to the upper ports of an MDF (see the
previous figure).
Some MDFs have surge protection circuitry built in between the two banks; thus, do not
connect telephone wires from the telephone company directly to the IES-708-22A.
Use a punch-down tool to seat telephone lines between MDF blocks.
3.2.4.3 Typical MDF Scenario
You want to install the IES-708-22A in an environment where there are no previously installed
MDFs. There is no phone service and you want to install the IES-708-22A for data-access
only. No connections from the CO lines are necessary.
You may connect using an MDF or attach RJ-11 connectors to the non-IES-708-22A end of
the Telco-50 cable and then connect to DSL modems directly.

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