AK2548 Datasheet, PDF (23/30 Pages) Asahi Kasei Microsystems – 7 channel E1 Transceiver

ASAHI KASEI
[AK2548]
Remote Loopback(RESET=1, MCLK:clocked, PD=0)
TAOS
Loopback
Local Remote
POLN
RDEN
TCLK
Receive
signal
TTIP
TRING
RCLK
RPOS
RNEG
LOS
0
0
1
1
*
*
in
RTIP
RCLK
RTIP
0
RRING
RRING
0
0
1
1
0
*
loss
RTIP
0
0
1
RRING
0
0
1
1
1
*
loss
RTIP
RCLK
RTIP
1
RRING
RRING
0
0
1
0
*
*
in
RTIP
RCLK
RTIP
0
RRING
RRING
0
0
1
0
0
*
loss
RTIIP
0
1
1
RRING
0
0
1
0
1
*
loss
RTIP
RCLK
RTIP
1
RRING
RRING
Remote Loopback(RESET=1, MCLK:clocked, PD=0)
TAOS
Loopback
POLN
RDEN
TCLK
Receive
TTIP
RCLK
RPOS
LOS
Local Remote
signal
TRING
RNEG
1
0
1
1
*
*
in
All Mark RCLK
RTIP
0
RRING
1
0
1
1
0
*
loss
All Mark
0
0
1
1
0
1
1
1
*
loss
All Mark RCLK
RTIP
1
RRING
1
0
1
0
*
*
in
All Mark RCLK
RTIP
0
RRING
1
0
1
0
0
*
loss
All Mark
0
1
1
1
0
1
0
1
*
loss
All Mark RCLK
RTIP
1
RRING
C0028-E-00
23
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