xrt83l30 Exar Corporation, xrt83l30 Datasheet - Page 31

• Manufacturer Part Number: xrt83l30
• Description: Xrt83l30 -single-channel T1/e1/j1 Long-haul, Short-haul Line Interface Unit
• Manufacturer: Exar Corporation

REV. 1.0.1
Figure 14
simplified diagram for E1 (75Ω) in the external receive termination mode.
RXTSEL
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
is a simplified diagram for T1 (100Ω) in the external receive termination mode.
F
SINGLE-CHANNEL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
IGURE
TERSEL1
x
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
14. S
IMPLIFIED
TERSEL0
XRT83L30 LIU
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
x
D
IAGRAM FOR
TRING
RRING
T
TTIP
RTIP
ABLE
RXRES1
x
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
7: R
100Ω
T1
ECEIVE
IN THE
3.1Ω
3.1Ω
28
RXRES0
T
ERMINATIONS
x
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
E
XTERNAL
1:2.45
1:2 or
1:1
240Ω
240Ω
240Ω
240Ω
210Ω
210Ω
210Ω
210Ω
150Ω
150Ω
150Ω
150Ω
T
R
R
ERMINATION
∞
∞
∞
∞
ext
ext
100Ω
100Ω
M
100Ω
120Ω
172Ω
204Ω
108Ω
240Ω
192Ω
232Ω
280Ω
300Ω
412Ω
150Ω
600Ω
110Ω
116Ω
75Ω
R
ODE
∞
int
(RXTSEL= 0)
XRT83L30
Figure 15
T1/E1/J1
M
E1
E1
E1
E1
E1
E1
E1
E1
T1
T1
T1
T1
J1
J1
J1
J1
ODE
is a