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To connect multiple modems in a daisy chain configuration, refer to Figure 2-11.
326X Series Modem
326X Series Modem
326X Series Modem
Figure 2-11. Connecting Modems in a Daisy Chain Configuration
To attach modem enclosure cards to an NMS, refer to the addendum, 326X Series
Modem Cards, shipped with the modem backplane.
Turning on the Modem
The power cable connects the rear of the modem to a standard 115V outlet. After
making other connections, plug the power cable into the modem, and then plug it
into an outlet. Turn the rear panel power switch to the On (up) position.
When powered on, the modem automatically performs a self-test of internal circuits.
The "Automatic Self-Test" section, next, describes this test and the front panel
displays that can follow it.
2-14 Installing the Modem
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Step 1: Install ferrite cylinders as explained in this chapter.
Step 2: Attach an 8-pin DIN adapter cable connector to the
modem's NC IN connector.
(The 8-pin control channel connector at the other end of
this cable is connected to a junction box, as shown in
Figure 2-8.)
Step 3: Connect an 8-pin DIN cable from the first NC OUT
connector to the next NC IN connector, and so on.
To Junction Box
and NMS
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