Token Ring Transceiver
Package
Schematic
QAF-CSO7 8/10/94
DST7081 Rev.- 7/18/96
PCA Part Number(s)
EPT7081
Electrical Specifications @ 25C
-1.1
dB Min.
Attenuation
Crosstalk
1-17 MHz
17-25 MHz
5 MHz
dB Min.
dB Min.
dB Min.
70 MHz
-14
-8
-40
RCV
XMIT
Specification
Parameter
Frequency
Unit
Insertion Loss
dB Max.
Return Loss
Common Mode Rejection
-50 (Between Channels)
8 MHz
-0.5
-0.7
-20
-10
-40
-0.5
Impedance
1-32 MHz
Notes :
dB Min.
dB Min.
-30
-30
20 MHz
-40
-40
dB Min.
dB Min.
10 MHz
24 MHz
-1.9
-1.3
1. Optimized for T1380C60 & T1380C30.
2. Supports UTP & STP Transmission cables.
3. IEEE 802.5 compatible.
15 Tu-
12 Tu+
14 Ts-
8 TX-
10 TX+
16 CHGND
Filter
5 Ph+
6 Ph-
13 Ts+
Xmit
17 Ru-
20 Ru+
18 Rs-
2 RX-
1 RX+
16 CHGND
3 Ph+
4 Ph-
19 Rs+
Rcv
1.115 Max.
.100
.150
Max.
.350
Max.
.020 x .010
.500
.010
Typ.
PCA
EPT7081
Date Code
.600 Max
TOP
Unless Otherwise Noted
Dimensions in Inches
Tolerances: Fractional = 1/32
.XX = .030 .XXX = .010
TEL: (818) 892-0761
FAX: (818) 894-5791
WEB: http://www.pcainc. com
E L E C T R O N I C S I N C .
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
PDF 
ZIP