XRT59L921IB Exar Corporation, XRT59L921IB Datasheet - Page 24

• Manufacturer Part Number: XRT59L921IB
• Description: 21 CHANNEL E1 LIU
• Manufacturer: Exar Corporation

Specifications of XRT59L921IB

• Lead Free Status / RoHS Status: Contains lead / RoHS Compliant

XRT59L921
TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
N
F
L
OTE
IGURE
INE FOR
:
RxPOS_n
RxNEG_n
Figure 9
line.
10. R
LOS_n
120Ω A
ECOMMENDED
and
PPLICATIONS
Figure 10
S
CHEMATIC FOR
(T
RxPOS_n
RxNEG_n
LOS_n
indicate that the user should use a 1:1 transformer, when interfacing the receiver to the
RANSFORMER
XRT59L921
RRING_n
RTIP_n
I
NTERFACING THE
-C
OUPLING
22
)
120 Ω
R
ECEIVE
S
ECTIONS OF THE
1:1
XRT59L921
RTIP_n
RRing_n
REV. 1.2.1
TO THE