Harris Dracon TS21 User manual
TS21
LINEMAN'S
TEST
SET
.
,-:
,-.-2g
;TpAq
DIA~
'PU
CSE
I&
*
TOUCH
TONE*
TESTING
*i
HARRIS
_1c1-
FOPIMNQ71012Mm)(l/86)
DRAGON
DIVISION
TCI Library: www.telephonecollectors.info
WARNING
Good safety procedures prohibit the use of this
tool, and other ordinary telephone crafttools, with
11
0
VAC, 60 HZ power. Use of this tool with 110
VAC, 60 HZ power voids our warranty.
TABLE OF CONTENTS
Section
Page
GENERAL
..........................................................
1
TABLE
1
(TS21 MODELS)
.................
.
...................
.
...
.
.
.
2
SPECIFICATIONS
....................................................
3
PHYSICAL CHARACTERISTICS
.......
.
..............
.
.........
.
......
6
CONTROLS AND INDICATORS
..
.
....
.
.......
.
.....
.
........
....
..
...
7
DESCRIPTION OF CORDS..
.......
.
..
.
........................
.
......
11
OPERATION
........................................................
13
TROUBLESHOOTING PROCEDURES
..
.
...
.
...........................
15
WARRANTY
...............
.
........
.
.........
.
....
.
.
.
Inside Back Cover
COPYRIGHT@DRACON 1981
TCI Library: www.telephonecollectors.info
GENERAL
The new Dracon TS21 Lineman's Test Set employs the latest in integrated
circuit designtoprovide either a DTMF(TouchTone*)oradialpulseoutput.This
Test Set, often referred to as a "butt-in," is a self-contained, line-powered,
combination handset used by installers, repair technicians, and other author-
ized personnel for line testing and temporary communications.
The TS21 istwo-toneblueincolorandmeasuresapproximately 2-11/16 inches
(6.82cm)wide, 3-11/16 inches(9.36cm)highand 9-11/16 inches(24.60cm)
long. It weighs approximately 21 ounces (600g).
Table 1 lists the various models and their features.
"Touch Tone is an
ATT
Trade Mark.
1
TCI Library: www.telephonecollectors.info
TABLE
1
TS21
MODELS
Model No.
21800-020
21800-02
1
21800-023
21800-024
21800-025
21800-026
2
1
800-027
STD:
5
Ft. Standard Two-Conductor Cord
SP:
1
Ft. Cord with Male Plug
SPR:
4
In. Cord with Male Plug and
150051
Switchable Resistor
3W: 5
Ft. Three-Conductor Ground Start Cord
Mute Switch
-
Yes
-
Yes
-
-
Yes
Cord Type
STD
STD
SP
SP
SPR
3W
3W
Ground Start Switch
-
-
-
-
-
Yes
Yes
TCI Library: www.telephonecollectors.info
ELECTRICAL
Loop Limit
Talk Impedance
Monitor lmpedance
SPECIFICATIONS
Rotary Dial Output
Pulsing Rate
Percent Break
Interdigit Interval
Leakage During Break
DTMF Output
Tone Frequency Error
Level Per Tone Pair
Low vs High Tone Difference
PHYSICAL
Length
Width
Height
Weight
1500
n
maxlmum
@
48VDC
(22 mA min~mumloop current)
150
n
typical (similar to WECO 1013A
&
BECO 801)
lOOK
n
minimum at 1
KHz
10pps
*
%
pulse
61%*2%
800 ms typical
400 PA maximum at 54 VDC
+
1% maximum
+
2 dBm maximum, -9 dBm Minimum
3 dBm maximum
9-11/16 in. (24.60 cm)
2-11/16 in. (6.82)cm)
3-1
1/16 in. (9.36 cm)
21 oz (600
g)
maximum
Specifications subject tochange without notice.
TCI Library: www.telephonecollectors.info
A
Housing
4
Talk/Monitor Switch
Mute or
Ground Start Button
Button (optional)
TCI Library: www.telephonecollectors.info
B
Belt Clip
A
2
Mode Tone/Pulse
Switch
d
TCI Library: www.telephonecollectors.info
PHYSICAL CHARACTERISTICS
The housingisinjectionmolded
of high impact polycarbonate
which provides excellent insulating
properties. The two-piece case is
designed to give rugged service and
withstand the rough handling and
shocks normally associatedwithcraft
tools.
The Belt Clip, located on the
transmitter end of the housing
isequippedwith a spring-loadedclip,
ensuring a secure connectionto belt
loops and D-rings.
The Nonslip Pad on the back of
the Test Set is a special con-
toured design, making iteasy towork
with and freeing both hands while
the TS21 rests ;n the shoulder.
TS21 Test Sets are equipped
withseveral differentcordcon-
figurations. See TABLE 1 and DE-
SCRIPTION OF CORDS.
TCI Library: www.telephonecollectors.info
I
CONTROLS AND INDICATORS
TALK
/
MONITOR SWITCH.
selects the signaling output. TONE
Locatedon the side of the Test for DTMF output and PULSE for dial
Set, this black rocker switch when pulse output.
placed in the T(talk)position, estab-
lishes an off-hook condition for dial-
ing and talking. Inthis modethe Test
Set performs as a common battery
telephone. The
M
(monitor) position
removes the transmitter from the
circuit and providesa highimpedance
coupling to the line. This allows line
monitoring without disrupting con-
versations, data or signaling.
0
MODETONE/PULSE SWITCH.
Located on the keypad bezel
(seeFigure
1)
thiswhiterockerswitch
TCI Library: www.telephonecollectors.info
KEYPAD
IN/OUT
SWITCH.
when testing on dry circuits. The
Located on the keypad bezel OUT position must be usedwhen the
(see Figure
2),
this white rocker circuit voltage is
6V
or less, such as
switchselects either of twooperating when using "tones" or other test
modes. When set to the IN position, devices as a source of talk battery.
the Test Set operates as a modern
electronic telephone set. This mode
isused for all normalcommunication
functions. The OUTpositionbypasses
the Test Setelectronics, includingthe
keypad. In this mode signaling is not
possible, butthe Test Setwilloperate
at very low voltages, much like stan-
dard test sets currently in use. Line
testing is possible in either switch
position. The OUT position is recom-
mended when testing at or near the
loop limit
(1
500
R
@
48
VDC)
or
8
TCI Library: www.telephonecollectors.info
This manual suits for next models
7
Table of contents
Other Harris Test Equipment manuals
