AK2548 Datasheet, PDF (22/30 Pages) Asahi Kasei Microsystems – 7 channel E1 Transceiver

ASAHI KASEI
[AK2548]
Normal Operation(RESET=1, MCLK:clocked, PD=0)
TAOS
Loopback
Local Remote
POLN
RDEN
TCLK
Receive
signal
TTIP
TRING
RCLK
RPOS
RNEG
LOS
1
0
0
1
*
clocked
in
All Mark RCLK
RTIP
0
RRING
1
0
0
1
0
clocked
loss
All Mark
0
0
1
1
0
0
1
*
loss
in
All Mark RCLK
RTIP
0
RRING
1
0
0
1
0
loss
loss
All Mark
0
0
1
1
0
0
1
1
clocked
loss
All Mark RCLK
RTIP
1
RRING
1
0
0
1
1
loss
loss
All Mark RCLK
RTIP
1
RRING
1
0
0
0
*
clocked
in
All Mark RCLK
RTIP
0
RRING
1
0
0
0
0
clocked
loss
All Mark
0
1
1
1
0
0
0
*
loss
in
All Mark RCLK
RTIP
0
RRING
1
0
0
0
0
loss
loss
All Mark
0
1
1
1
0
0
0
1
clocked
loss
All Mark RCLK
RTIP
1
RRING
1
0
0
0
1
loss
loss
All Mark RCLK
RTIP
1
RRING
C0028-E-00
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