AK2548 Datasheet, PDF (20/30 Pages) Asahi Kasei Microsystems – 7 channel E1 Transceiver

ASAHI KASEI
Table 1. Loopback mode Select
RLOOPx
0
LLOOPx
0
Normal
Function
(Initial value)
0
1
Local Loop back
1
0
Remote Loop back
1
1
Inhibited
Table 2. TIPx/RINGx Polarity Control
POLNx
POSx/NEGx
1
0
1
0
0
1
TIPx/RINGx
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Table 3 Equalizer Control
ECx Application
0
E1-Coax(75Ω)
1
E1-Twisted Pair(120Ω)
(Initial value)
[AK2548]
C0028-E-00
20
1999/9