ISDN U-BUS
SCOPE
The TPW4671 transformer is de-
signed to interface with the sub-
scribers premises (NT) and the
2- wire line side of the Central
Office Equipment (LT) in the
ISDN Network.
Input/Output Transformer
TPW4671
TPW4671 meets the electrical
specifications of ANSI TI.601-
1988 and is approved for the
Mitel MT8910 DSLIC
device.
MECHANICAL
Dot at pin 1
ELECTRICAL
TPW4671.chp
Line Impedance
Inductance
Leakage Inductance
Winding Capacitance
Longitudinal Balance
DC Capability (Line Side)
Dielectric Strength
(2-11)+(1-12)
(8-5)
(2-11)+(1-12)
1 - 4 KHz
4 - 160 KHz
135
Ω
11.0mH
< 75
µH
< 500 pF
> 65 dB
> 58 dB
50mA
2000 V rms
ISSUE: E
94/12/14
Filtran Limited
229 Colonnade Road, Nepean, Ontario, Canada. K2E 7K3
Tel : (613) 226 1626 Fax : (613) 226 7124
4-9
FILTRAN [ FILTRAN LTD ]
