Checkout And Troubleshooting; On Line Key - AT&T Bell System EIA Installation Manual

SECTION 582-001-200
between terminals, switch assembly, and data set
must not be over 50 feet in length. The typical
interconnecting cable arrangement shown in Fig.
7 corresponds to the basic switch configuration
shown in Fig. 8 and 9.
6. CHECKOUT AND TROUBLESHOOTING
Checkout Procedure
6.01 In modes one and three of the basic
switch configuration (Fig. 9), printed
copy of data shown on the KD display may be
obtained by operating the KD PRINT LOCAL
key.
6.02 The KD will not accept data from the OS
or MT while local printing is taking place.
If the PRINT ON LINE key is operated, the ROP
will print any data exchanged between the KD,
DS, and MT terminals.
6.03 In Fig. 10 configuration, the KDP can
produce local copy on the display when
the PRINT LOCAL key is operated.
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6.04 The KDP will not accept data from the
DS or MT while local printing is in
progress. Data exchanged between the KD, DS,
and MT can be printed by operating the PRINT
ON LINE key.
6.05 Modes one and three in Fig. 11 permit
transfer of data from the KD to the MT
locally when the PRINT LOCAL key is operated.
When the PRINT ON LINE key is operated, the
MT will copy any data exchanged between the
KD, DS, or an auxiliary terminal. The MT
required for this arrangement and also the con-
figuration in Fig. 12 shows how to obtain printed
copy on Model 33 or Model 35 RO from the MT
terminal.
Troubleshooting Procedure
6.06 Troubleshooting consists of making a con-
tinuity test on the switch assembly from
the connector terminals through the inter-
connecting switches using appropriate actual and
wiring diagrams for the switching circuitry
information.