IP LDK-20 Installation Manual Board Installation
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3.5.4 MODU (MODEM function Unit)
Description
MODU should be installed on the MODU connectors, and provides an analog modem connection. It supports Bell,
ITU-T, V.34, V.32BIS, V.90 Protocol at 300bps, up to 33Kbps speed rate, and automatic rate negotiation.
Figure 3.5.4 MODU