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10
BRTS-100 ISDN TEST SET
Figure 3-1. BRTS-100 ISDN Test Set controls and indicators.
P
A
S
S
F
A
I
L
TEST STATUS
P
H
A
N
T
O
M
P
IN
S
7
-
8
A
U
X
POWER
L
IN
E
T
E
S
T
RECEIVE
INITIATE
LINE
SPEAKER
TERMINATE
100 OHM
POWER
OFF ON
ON OFF
REV NORM
T
R
A
C
E
T
O
N
E
LEVEL -6dB
TRANSMIT
“D” ACTIVITY
IMPEDANCE
CONTINUITY
GRN “1” RED “0”
B
R
T
S
-100
IS
D
N
T
est S
et
18
18
A
B
SPEAKER
TEST MODE
SELECT DIAL
INDICATOR LEDS
I/O PORTS A & B
(8-PIN CONNECTORS)
INDICATOR LED
FEATURE BUTTONS