Bell System 402D Series Test Procedures/Instructions

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BELL SYSTEM PRACTICES
AT&TCo Standard
SECTION 594-020-500
Issue 5, May 1972
DAT A SET 402D-TYPE
RECEIVER
TEST PROCEDURES
CONTENTS
1. GENERAL
2. INSTALLATION TEST PROCEDURES
A. Ground Noise Test (901B DTS)
B. Ground Noise Test (914B DTS)
C.
Power Supply Test (KS-14510 or
KS-16979-L 1)
PAGE
2
2
5
covers a general revision, arrows ordinarily used
to indicate changes have been omitted.
1.03
Before proceeding with any test of the data
set, verify the following:
(a) That the data loop has been tested and
meets requirements as specified in the section
entitled Data Systems-DATA-PHONE@ On Direct
Distance Dialing Network-Test Requirements
for Subscriber, Foreign Exchanges, and Remote
Exchange Lines (314-205-501)
D. Power Supply Test (914B DTS) 5
(b) That the telephone portion of installation
meets standard de talk, signaling, and
E. Remote Test (DTC) 6
supervision requirements
3. MAINTENANCE TEST PROCEDURES
7
A. End-to-DTC Interface Test (901 B DTS)
. . . . .
7
B. End-to-DTC Interface Test (913A DTS)
. .
12
C. End-to-DTC Interface Test (914B DTS)
. .
18
D.
Dynamic Test (913A DTS)
.
24
E.
Dynamic Test (914B DTS)
27
1. GENERAL
1.01
This section covers test procedures applicable
at time of installation and on repair visits.
1.02
This section is reissued to provide improved
end-to-DTC interface tests. Since this reissue
(c) That data set strapping options agree with
service order.
t
Take necessary steps to ensure that
customer is not billed for test calls.
Refer to the section entitled Crediting
Charges on Test Calls (010-250-001) .
1.04
Tests contained in this section are divided
into two parts, as follows: Part 2, tests to
be performed at the time of installation, and Part
3, tests to be performed during maintenance visits.
2. INSTALLATION TEST PROCEDURES
2.01
Tests in this part should be performed
immediately after the data set has been
installed to ensure that the installation is ready to
be placed in service. In addition to these tests,
the installer should, whenever possible, observe to
assure that data can be transmitted and/ or received
using the business machines and data sets at both
the near- and far-end data terminals.
© American Telephone and Telegraph Company, 1972
Printed in U.S.A.
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