User's Manual

E1 Spread Spectrum Radios
4-1
4 Product Description
4.1 Indoor(IDU)/Modem
Figure 4-1 Front Panel (2E1,RJ-48)
Figure 4-2 Front Panel (8E1,RJ-48)
Interface Cable Power Cord
Figure 4-3 Accessories
4.1.1 General Description
A. Service Phone Interface(EOW): Service phone between the stations. Insert the RJ-11 of any general
phones and dial the IDU EOW number. If there are more than one equipments in the same network, you
may dial “***” for group connection. All the phones in the network will ring.
B. Symmetric E1 connector (RJ-48): 2E1: 2*RJ-48、4E1: 4* RJ-48、8E1: 8* RJ-48、16E1: 16* DB-25
(asymmetric). In this manual, we have taken 4E1 equipment as an example for easy explanation.
C. LED: FINE indicates normal working condition. ALM indicates critical alarming condition. RMT indicates
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