Input/Output Modules
ISDN S-Bus
8480-8483
Units matched to leading transceiver IC’s. Meet the impedance requirements of
CCITT 1.430 for both TE and NT over extended temperature range –40 to + 85°C.
IC MFG.
FILTRAN P/N
IC MFG.
FILTRAN P/N
AMD
AM 79C 30A/79C
NATIONAL
TP3420/3421
8480, 8482
8480, 8482
8480, 8482
LUCENT (AT&T)
T7234, T7254, T7250, T7256, T7259
T7903
SGS THOMSON
ST5420/5421
8481
8480, 8482
SIEMENS
MIETEC
MTC-2072
PEB2080/2081/2084/2085/2086 8480,8482
PSB 2186
PEB3086
8480, 8482
8480, 8482
8480,8482
8483
MITEL
MT8930/8931
YAMAHA
YM7405B
8480, 8482
MOTOROLA
MC145474/145475
MC145574
8483
8481
Mechanical and Schematic (All dimensions in inches)
ELECTRICAL SPECIFICATION @ 25˚C
Transformer
Choke
Part
Number
Secondary
Pins
L
Ratio ±2%
(Pri:Sec)
L Pri
LL Sec
Cw/w
CD Pri
DCR Pri
DCR Sec
DCR
(Ω)
(mH MIN)
( H Max)
(pF Max)
(pF MAX)
(Ω+25% MAX)
(ΩMAX)
5.4(+25%)
9.0
(mH Min)
8480
8481
8482
8483
1CT:2
30
30
30
30
30
30
30
10
150
150
150
150
100
110
100
100
3.2
3.2
3.2
3.2
4.7
1.2
1.2
1.2
1.2
9-10, 8-11
9-7,10-12
9-7,10-12
9-7,10-12
1CT:2.5CT
1CT:2CT
1CT:1CT
4.7
5.4(+25%)
3.2(+25%)
4.7
4.7
NOTE: 8480 follows schematic A. Pins 7 and 12 are not included with this module.
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