10/100 Base-TX
ISOLATION TRANSFORMERS
WITH FILTERS
TYPICAL PM-8515 & 8592 APPLICATION
TYPICAL 10/100Mb/s ETHERNET NODE
(10-BASE & 100BASE-TX)
10M TX1+
10M TX1-
N/C
RJ45 PLUG
(CAT5 UTP)
1 (TD+)
W
W
50
50
2 (TD-)
TX0
TX0+ TXO
TX0-
3 (RD+)
GND
4
NATIONAL
DP83840
DP83223
TWISTER
5
6 (RD-)
RX1+
7
8
RX1-
W
80
10M RX1+
10M RX1-
W
N/C
10
W
PM-8515
PIN #12
10
W
W
W
W
W
50
50
50
50
W
W
W
75
75
50
50
m
0.01
2kV
F
COMMON MODE
TERMINATION
PM-8508 SCHEMATIC
PM-8508 MECHANICAL
1CT:1CT
TX/RX+
1
7
TX/RX+
.220
(5.59)
MAX
.815
(20.70)
MAX
PM-8508
.472
(11.98)
MAX
P
.020
(0.51)
TX/RX-
CT
2
3
6
5
TX/RX-
CT
M
YYWW
.010
(.25)
PIN #1
.100
PIN #7
.109 (2.77)
.169 (4.29)
(2.54)
.135
(3.43)
TYP
.200
(5.08)
.020
(.51)
.600
(15.24)
Specifications subject to change without notice.
pm-85xx 11/05
20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 · TEL: (949) 452-0511 · FAX: (949) 452-0512 · http://www.premiermag.com
2
PMI [ PREMIER MAGNETICS, INC. ]
