CEPT
TFS2915 is specifically designed
for use as an Output Transformer
in CEPT applications.
It has been approved by
MITEL
for
use with their
MH89780
&
MH89790
devices.
TFS2915 is available in 5 versions: -
0 ,-1, -2 -4, & -5 for 75, 100,120
and 75/120Ω line impedances.
TFS2915-5 is designed and ap-
proved for
MT89790B,
which is op-
erating from a single 5Vdc supply
Output Transformer
Typical applications are:
•
•
•
PBX or computer to CEPT Digi-
tal Trunks.
High speed data link using
CEPT Digital Trunk.
TDM Multiplexers.
TFS 2915
MECHANICAL
1
Device
5
2
Device
6
4
Line
8
1
Device
5
2
Device
6
4 Com
7
8
75 Line
120
TFS2915-0 , -1, -2
TFS2915-4 & -5
Hole arrangement
View in mounting direction
All dimensions in inches
0.060"
0.047
GRID
0.1" X 0.1"
ELECTRICAL SPECIFICATIONS
Line Impedance
TFS2915.chp
2915 - 0
75
Ω
-1
100
Ω
0.65
-2
120
Ω
0.81
-4
75/120
Ω
0.81
0.49
1:1
1.95:1
2.5:1
1500
-5
75/120
Ω
> 1.0
> 0.6
1 :1
1:1.33
1:1
1500
Inductance
mH
(4-8)
(4-7)
(1-5):(2-6)
(1-5):(4-8)
(1-5):(4-7)
0.49
95/04/25
Turns Ratio
1:1
2.5:1
1:1
2.19:1
1:1
1.95:1
ISSUE : G
Isolation
Volts (rms)
1500
1500
1500
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3
Tel : (613) 226 1626 Fax : (613) 226 7124
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