AK2540 Datasheet, PDF (27/33 Pages) Asahi Kasei Microsystems – Quad T1 Transceiver

ASAHI KASEI
Normal Operation(RESET=0, AIS=0, MCLK:clocked, PD=0, LLOOP=RLOOP=0)
POL RDEN TCLK
Receive
signal
TTIP
TRING
RCLK
RPOS
RNEG
LOS
DFM
1
*
clocked
clocked
TPOS
RCLK
RTIP
0
active
TNEG
RRING
1
0
clocked
loss
TPOS
0
TNEG
0
1
active
1
*
loss
clocked
0
RCLK
RTIP
0
0
RRING
1
0
loss
loss
0
0
0
1
0
1
1
clocked
loss
TPOS
RCLK
RTIP
1
active
TNEG
RRING
1
1
loss
loss
0
RCLK
RTIP
1
0
RRING
0
*
clocked
clocked
TPOS
RCLK
RTIP
0
active
TNEG
RRING
0
0
clocked
loss
TPOS
0
1
1
active
TNEG
0
*
loss
clocked
0
RCLK
RTIP
0
0
RRING
0
0
loss
loss
0
0
1
1
0
0
1
clocked
loss
TPOS
RCLK
RTIP
1
active
TNEG
RRING
0
1
loss
loss
0
RCLK
RTIP
1
0
RRING
Normal Operation: Transmit all space
(RESET=0, AIS=1,AIS1SEL=0, MCLK:clocked, PD=0, LLOOP=RLOOP=0)
POL RDEN TCLK
Receive
signal
TTIP
TRING
RCLK
RPOS
RNEG
LOS
DFM
1
*
clocked
clocked
0
RCLK
RTIP
0
0
RRING
1
0
clocked
loss
0
0
0
1
0
1
*
loss
clocked
0
RCLK
RTIP
0
0
RRING
1
0
loss
loss
0
0
0
1
0
1
1
clocked
loss
0
RCLK
RTIP
1
0
RRING
1
1
loss
loss
0
RCLK
RTIP
1
0
RRING
0
*
clocked
clocked
0
RCLK
RTIP
0
0
RRING
0
0
clocked
loss
0
0
1
1
0
0
*
loss
clocked
0
RCLK
RTIP
0
0
RRING
0
0
loss
loss
0
0
1
1
0
0
1
clocked
loss
0
RCLK
RTIP
1
0
RRING
0
1
loss
loss
0
RCLK
RTIP
1
0
RRING
[AK2540]
MS0012-E-00
27
2000/1