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T T S 26B
SECTION 2
SPECIFICATIONS
2 . 1 GENERAL.
Section 2
2. 2 Table 2- 1 L i s t s the specifications of the TTS 26B
TABLE
2 - 1
METER
Ranges
70
Break: 070 to 100'70
Speed: 0 to 25 pps
Scales
O/o Break: 170 divisions
Speed
:
1 pps divisions
.
-
IMPEDANCE O F MEASURING CIRCUITS
Meter Circuit: Approx. 7,50052
Meter Relay: Approx. 40052
FOR SPEED MEASUREMENTS
Approx. 4,30052
SEND SIGNALS
-
Internal Oscillator: 4 , 6 , 8 , 1 0 , 1 2 ,
1 4 , 2 0 ~ u l s e s / ~ e c . One addi-
tional frequency c a n
be
installed
on special o r d e r .
E x t e r n a l Dial:
A
s t a n d a r d d i a l o r 20 pps
d i a l may be u s e d to g e n e r a t e
pulses .
' %
B r e a k Range: At l e a s t 12% to 8570
T r a n s i t t i m e <1 m i l l i s e c .
CONTROLS
ADJ
y o
BREAK
METER CAL
METER CIRCUIT Switch
FUNCTION Switch
PULSES P E R SEC Switch
RECEIVE Switch
SEND Switch
EXT DIAL CIRCUIT Switch
SEND and TEST Key Switch
TWD-L Key Switch
TWD-D Key Switch
SEND Turnbutton Switch
SPARK
SUP
Turnbutton Switch
DROP E =G&O M -B&O
DROP E =G&B M =B&O
Toggle Switch
JACKS
1 . E X T DIAL
2 .
SEND RELAY
3 .
SEND 1 ( L O O P )
4 .
SEND 2 ( L O O P )
5.
SEND B&G
6.
REG LOOP
7. R E C E & M
8. E
9 .
M
10. LINE
11. DROP
12. 4 8 V o l t S ( - )
T ( + )
13. 4 8 Volt S
(t)
T
( - )
14. E X T ADAPT (FOR ACCESSORIES)
15. DROP E =G&O M =B&O
DROP
E
= G & B M =B&O
SUPERVISORY LAMPS
LINE ( E )
DROP (M)
POWER REQUIREMENTS
48 volts D C , 220mA
Operable f r o m approx. 40V to
5 5 V
Diode p r o t e c t i o n f o r polarity r e v e r s a l .
24 volt DC o p e r a t i o n available on
s p e c i a l o r d e r .
SIZE
14"w x 10"h x 8"d (includes c o v e r )
WEIGHT
1 5 pounds
RACK MOUNTED EQUIPMENT
The Model T T S 26B i s a l s o available
for bay mounting; i t i s called Model
TTS
26BDR.
I t includes a telephone
d i a l a s w e l l a s a l l the f e a t u r e s of the
p o r t a b l e s e t .
Any of the a c c e s s o r i e s available
f o r the cover of the TTS 26B can be
supplied on p a n e l s f o r bay mounting.
O r d e r i n g i n f o r m a t i o n will be supplied
on r e q u e s t .
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