N/Nt And Rt Systems; Switch Settings In Dti Mode - Nortel QPC472 Installation Manual

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Page 20 of 66
DTI installation

N/NT and RT systems

553-2811-200 Standard 6.0 December 1994
For basic information on installing a DTI card, refer to
procedures" on page
Network shelf, along with a Power Converter card.
When no vacant positions are available to install DTI cards, additional
Network shelves can replace Peripheral Equipment shelves located on the
rear of the Common Equipment, Tape, or Disk shelves. Refer to
an additional Network shelf on the N/NT" on page 22
If an additional cabinet is required to install more Network shelves, use a
QPC58 cabinet.
Figure 7
shows switch settings in DTI mode. See
arrangement in N/NT, RT, and 61 single and half group systems.
Figure 7

Switch settings in DTI mode

QPC720 PRI/DTI
SW2
7-pole
Note: See tables on switch settings for PRI/DTI transmission equalization.
11. As many as three cards can be plugged into an empty
SW3
8-pole
"Installation
for details.
Figure 8
for DTI cabling
QPC472 DTI
SW1
8-pole
use 1-7
553-1335
"Installing

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