Bell System 402C Series Test Procedures/Instructions

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BELL SYSTEM PRACTICES
A "F& TCo Standard
SECTION 594-019-500
Issue 6, January 1972
DAT A SET 402C-TYPE
TRANSMITTER
TEST PROCEDURES
CONTENTS
PAGE
1. GENERAL
2. INSTALLATION TEST PROCEDURES
2
A. Ground Noise Test (914B Data Test
Set)
2
B. Ground Noise Test (901B Data Test
Set) 2
C.
Remote Test (Data Test Center)
5
D. Local Interface Test (901 B Data Test
Set) 6
3.
MAINTENANCE TEST PROCEDURES
7
A. End-to-DTC
Interface
Test (914B Data
Test Set)
7
B. End-to-DTC Interface Test (913A Data
Test Set) . . • • . . . . . . 12
C. End-to-DTC Interface Test (901 B Data
Test Set) • . • • • . • • . . 15
D. End-to-DTC Dynamic Test (914B Data
Test Set) . • • • . . . • . . 19
E. End-to-DTC Dynamic Test (913A and
903 Data 1:e_st Sets)
• • • . . • 23
F. End-to-End Dynamic Test (914B Data
Test Set) . . . . . . . . . . 27
G. End-to-End Dynamic Test (913A, 903,
and 902 Data Test Sets) . . . . 30
1. GENERAL
1.01
This section contains the procedures to be
used for testing Data Set 402C-type at time
of installation and on repair visits.
1.02
This section is reissued for the following
reasons:
(a) To provide local interface test using the
901B Data Test Set (DTS)
(b) To provide improved end-to-DTC (data test
center) interface tests using the 901B, 913A,
and 914B DTS
(c) To provide end-to-DTC dynamic tests using
the 914B and 913A DTS.
Since this reissue covers a general revision, arrows
ordinarily used to indicate changes have been
omitted.
1.03
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
requirements.
(c) Data set strapping options agree with service
order.
ft
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
A letter a, b, c, etc, added to a step number
in Part 3 of this section indicates an action
which may or may not be required depending on
local conditions. The condition under which a
lettered step or a series of lettered steps should
be made is given in the adjacent column, and all
steps governed by the same condition are designated
©American Telephone and Telegraph Company, 1972
Printed
in
U.S.A.
Page 1