AK2546 Datasheet, PDF (19/27 Pages) Asahi Kasei Microsystems – 7 channel T1 Transceiver

ASAHI KASEI
Table 1. Pulse Shape Control
LENG3x
LENG2x
LENG1x
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
Line Length
0-133feet (Initial Value)
133-266feet
266-399feet
399-533feet
533-655feet
Table 2. Loopback mode Select
RLOOPx LLOOPx
Function
0
0
Normal
(Initial value)
0
1
Local Loop back
1
0
Remote Loop back
1
1
Inhibited
Table 3. TIPx/RINGx Polarity Control
POLNx
POSx/NEGx
1
0
1
0
0
1
TIPx/RINGx
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[AK2546]
C0019-E-01
19
1999/9