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R & S E K 8 9 5 / R & S E K 8 9 6
User Manual
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External Interfaces
A2.6 Data Line Connection (AF and FSK Signals)
Female connector strip, 25>way
(FM 570.4345)
Signal designation / level
AF a (line output) / >10 to +10 dBm,
R
i
= 600 ] (see also A1.6)
AF b (line output) / >10 to+10 dBm,
R
i
= 600 ] (see also A1.6)
n.c.
FM>VIDEO / 1 V / kHz, R
L
> 1 k], R
i
= 100 ]
FSK>TTL / CMOS, V
CC
= 5 V
Ground, same potential as contacts .11, .12 and
.19
F6>V28
AF(Q)
PZG (inv.) / open collector,
receive level f DIGI GAIN Æ transistor reverse>
biased, V
in
< 1 VDC, V
out
= 15 ±0.6 VDC
AFL / AF(I)
Ground, same potential as contacts .6, .12 and .19
Ground, same potential as contacts .6, .11 and .19
SCITXD
n.c.
n.c.
INHIBIT (inverted, receiver inhibited)
SIGN / CMOS, V
CC
= 5 V
FSK>V28
Ground, same potential as contacts .6, .11 and .12
BFO reset
AF 2b / >10 to +10 dBm,
R
i
= 600 ] (see also A1.8)
+FSK (option),
+ line current / ±20 mA, ±30 V or 40 mA, 60 V
> FSK (option),
> line current / ±20 mA , ±30 V or 40 mA, 60 V
AF 2a / >10 to +10 dBm,
R
i
= 600 ] (see also A1.8)
STP (stop scanning) / ground on contact X66.25
Æ stop of scanning
Contact
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Mating connector:
Trapezoidal male connector
strip, 25>way (D>series)
(FM 018.6430)
Housing screened
(FM 627.1826)
OUTPUT
14
1
6164.0717.02_01
> A2.5 >
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