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PERCEPTION,h,x
Tl/OS-1
SEPTEMBER 1991
Trl
4
)
2Rr
Tt26
4
w
27 Rt
Rr2
4
w
1 Tr
Rt 27 4
)
26Tt
AMP 4
Pe jpex
+ AMP
P6X
FIGURE 6
REQUIRED CONNECTORS FOR DS-1 CONNECTION AT DISTANCES OF LESS THAN 655 FEET (200 Meters)
3) Connect
the DB15 connector
to the CSU (see
Table
4 and Figure
6). (Pins 2 and 4 are
grounded
within the cable.)
4) Connect
the
CSU to the network
through
RJ-48C
or RJ-48X,
if customer
is providing
own CSU. Refer to the back of the CSU for
network
connection.
NOTES:
1. The
maximum
distance
between
PERCEPTION,,,
and the CSV/DSU
is
30 feet. Toshiba provides
for this connec-
tion with each NDTU PCB. Its installation
is required
for proper
operation.
2. Telephone
company-provided
Tl willcon-
nect to the CSU.
3.40
Connecting
to Another
PBX Closer
than
655 Feet
3.41 Connecting
a PERCEPTIONee,
TI span to
another
PBX, in a digital TIE line (Type I or II)
configuration
and at a distance
of less than 655
feet, will require a special cable. Figure 6 shows the
required
connectors.
NOTE:
Transmit pair and receive pair must be sepa-
ratedbyatleast5pairs,
otherwiseABAMcoax
cable must be used.
3.50
Front Panel LED Overview
3.51 The LEDs on the front panel of the PCB (see
Figure 7) are defined
as follows:
1) FALT-Fault
indication
in one or more chan-
nels caused by the software,
a disabled
state
by the TPER
Program,
and/or
disabled
-7-
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