Bell System 402A Test Procedures/Instructions

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BELL SYSTEM PRACTICES
AT&TCo Standard
SECTION 594-016-500
Issue 5, August 1971
DATA SET 402A
TRANSMITTER
TEST PROCEDURES
CONTENTS PAGE
1. GENERAL
2. INSTALLATION TEST PROCEDURES
A. Ground Noise Test {901 B Data Test
Set) .
B. Ground Noise Test {914B Data Test
Set) . .
C. Power Supply Test {KS-14510 or
KS-16979-L 1 Volt-Ohm-Milliammeter)
D. Power Supply Test {914B Data Test
Set) . .
E. Local Interface Test {901 B Data Test
2
2
4
6
6
Set) . • . . . 8
F.
Local Interface Test {914B Data Test
Set) . . 9
3. MAINTENANCE TEST PROCEDURES 10
A. Interface Test With Data Test Center
{901 B Data Test Set) . .
10
B. Interface Test With Data Test Center
{914B Data Test Set) . 12
C. Dynamic Test {914B Data Test Set) 16
1. GENERAL
1.01
This section contains the test procedures to
be used on Data Set 402A at time of
installation and on repair visits. Before proceeding
with any tests of the data set, verify the following:
(a) Data loop has been tested and meets
requirements as specified in the section
entitled Data Systems-DATA-PHONE@ Service,-
Direct Distance Dialing Network-Test Requirements
for Subscriber, Foreign Exchange, and Remote
Exchange Lines (314-205-501).
(b) Telephone portion of installation meets
standard de talk, signaling, and supervision
reg uirements.
(c) Data set strapping options agree with service
order.
ft
Take necessary steps to ensure customer
is not billed for test calls. Refer to
the section entitled Crediting Charges
on Test Calls (010-250-001).
1.02
This section is reissued for the following
reasons:
(a) To provide local interface tests using the
901B and 914B Data Test Sets (DTS)
(b) To provide an improved end-to-Data Test
Center (DTC) interface test using the 901B
DTS
(c) To provide an improved end-to-DTC interface
test using the 914B DTS.
Since this reissue covers a general revision, arrows
ordinarily used to indicate changes have been
omitted.
1.03
Tests contained in this section are divided
into two parts. Part 2 contains tests to be
performed at the time of installation and Part 3
contains tests to be performed during maintenance
visits.
© American Telephone and Telegraph Company, 1971
Printed in U.S.A.
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