XRT59L921IB Exar Corporation, XRT59L921IB Datasheet - Page 8

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

Specifications of XRT59L921IB

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

PIN DESCRIPTIONS
XRT59L921
TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
P
R17
N16
M17
G16
D16
R18
N17
M18
G17
D17
V17
T16
K16
F17
V18
T17
K17
F18
J17
J18
C4
D5
G5
M4
N5
R4
C3
D4
G4
M3
N4
R3
F4
K5
T5
V4
F3
K4
T4
V3
J4
J3
IN
#
TRing_10
TRing_11
TRing_12
TRing_13
TRing_14
TRing_15
TRing_17
TRing_18
TRing_19
TRing_20
TTIP_14-
TTIP_15-
TTIP_16-
TRing-16
TTIP_10
TTIP_12
TTIP_13
TTIP_17
TTIP_18
TTIP_19
TTIP_20
TTIP_11
TRing_0
TRing_1
TRing_2
TRing_3
TRing_4
TRing_5
TRing_6
TRing_7
TRing_8
TRing_9
S
TTIP_0
TTIP_1
TTIP_2
TTIP_3
TTIP_4
TTIP_5
TTIP_6
TTIP_7
TTIP_8
TTIP_9
YMBOL
T
YPE
O
O
Transmitter Positive Bipolar Output – Channel_n:
Channel_n within the XRT59L921 will use this pin, along with TRing_n, to transmit a
bipolar line signal, via a 1:2 step-up transformer.
Transmitter Negative Bipolar Output – Channel_n:
Channel_n within the XRT59L921 will use this pin, along with TTIP_n, to transmit a
bipolar line signal, via a 1:2 step-up transformer.
6
D
ESCRIPTION
REV. 1.2.1