Nortel-networks Circuit Card Uživatelský manuál Strana 615

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NT8D14 Universal Trunk card Page 615 of 906
Circuit Card Description and Installation
Configuration
The trunk type for each unit on the card as well as its terminating impedance
and balance network configuration is selected by software service change
entries at the system terminal and by jumper strap settings on the card.
NT8D14 has a reduced jumper strap setting on the card. There are only three
jumpers, J1.X, J2.X, and J3.X on each channel. Tables 190, 191, and 192
show the functionality of these three jumpers.
7 68A Tip Tip Tip 68B Ring Ring Ring
69A CP A N/A 69B MB RG N/A
Table 189
Universal trunk card – backplane pinouts (Part 2 of 2)
Trunk
Number
Back-
plane
Pin
Signal
Back-
plane
Pin
Signal
RAN
mode
Paging
mode
Other
modes
RAN
mode
Paging
mode
Other
modes
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