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E1/CRC4
FRAMER
2.048 MHz
Clock
TCLK
TPOS
TNEG
LXT307
TRANSCEIVER
MCLK
TAOS
TCLK
LLOOP
TPOS
RLOOP
TNEG
n/c
100 kΩ
V+
220 kΩ
10 kΩ
10 kΩ
RNEG
RPOS
RCLK
V+
1 kΩ
MODE
RNEG
RPOS
RCLK
RT
n/c
DPM
n/c
EC
RGND
RV+
RRING
RTIP
MRING
0V
0.1 µF
+ 1 µF
ëéíΩ
ëéíΩ
1:1:1
ëïíéå 0ESV
5(&(,9(
127(ã
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UHVLVWRU LV XVHGï
ëï 7\SLFDO YDOXH LV éæí S)â DGMXVW
IRU DFWXDO ERDUG SDUDVLWLFV WR
REWDLQ RSWLPXP UHWXUQ ORVVï
LOS
TTIP
TGND
+ 68 µF
MTIP
TRING
TV+
0.47 µF
1:2
Rt (15 Ω)
ì
ë
2.048 Mbps
TRANSMIT
Rt (15 Ω)
V+
ëðçå
L1