Black Box MT618A-ST-R2 User Manual page 17

T3 FIBER OPTIC LINE DRIVER
The T3 Fiber Optic Line Driver contains components sensitive to
electrostatic discharge (ESD). To prevent ESD damage, avoid touching
the internal components. Before moving jumpers, touch the line driver's
frame.
To open the line driver's case, unscrew the two rear-panel screws and slide out the
line driver's printed circuit board.
Setting the main board internal jumpers
The internal jumper located on the line driver's main board is shown in Figure 3-1.
The jumper settings are described in Table 3-1.
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