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4. For bus selection, jumper JP5 must be in position T1T2;
Note:the AMT 2018 E/EG and AMT 2118 E/EG centers have only the T1 and T2 bus.
5. Jumper JP6 must be open;
6. Jumper JP7 can be positioned for OOK, because the AMT 2018 E/EG, AMT 2018
E3G and AMT 2118 E/EG centers accept only OOK modulation (unsupervised de-
vices).