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Line Interface Modules
Hardware Settings
Each link on the DS1 LIM has a group of jumpers that must be set as a 100 ohm link type. The
jumpers are located near their associated link connector on the LIM, as shown in the figure below.
Two jumpers for each channel must be positioned in the upper row of pins as shown.
Figure 5-11
TX-RX Shield Jumper Setting
On the DS1 LIMs, you must ensure TX and RX jumpers are positioned properly in order to connect
TX and RX shields to chassis ground. These jumpers are located towards the center of the LIM, as
shown in
Figure
are the TX setting for each Link; the right-most set of pins are the RX setting for each Link.
•
With the jumpers set as shown in
12 and 10, respectively) are connected to chassis ground.
•
Setting the jumpers to the left and right outermost positions isolates the transmit and receive
shields, respectively, from chassis ground.
Table 5-6
DS1 LIM Pinouts
Pin Number
1
3
9
11
10
12
5-18
100 ohm
not used
not used
Link 2 and
Link 3 are on
DS1-4CS
Only
DS1-2CS and DS1-4CS LIM Jumper Positions
5-11. There are four rows of six pins, one row for each Link. The left-most set pins
Figure
Signal Designation
Receive signal
Transmit signal
Receive return
Transmit return
Receive shield
Transmit shield
Xedge 6000 Hardware
Installation & Setup Guide
DS1-2CS and DS1-4CS Overview
Link 0
Link 1
TX
RX
Link 0
Link 1
Link 2
Link 3
Link 2
Link 3
5-11, the TX and RX shields for each Link (DB15 pins
032R440-000
Issue 17
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