Switch Settings
| SWITCH | SWITCH | SETTING | FUNCTION | CHECK | |||||
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JPS |
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| Balanced transmission |
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(Jumper pin) |
| UP |
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| DOWN | TA is grounded on the transmission line |
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| (For coaxial cable) | Note 4 |
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JPR |
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| Balanced transmission |
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(Jumper pin) |
| UP |
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| DOWN | RA is grounded on the transmission line |
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JP |
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| Line impedance: 75 ohms |
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(Jumper pin) |
| RIGHT |
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| (For coaxial cable) | Note 4 |
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| LEFT | Line impedance: 120 ohms |
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The figure in the SWITCH NAME column and the position in in the SETTING POSITION col- umn indicate the standard setting of the switch. When the switch is not set as shown by the figure and , the setting of the switch varies with the system concerned.
Note 1: Set the groove on the switch knob to the intended switch position.
Note 2: When the power is on, set the MB switch to ON (UP position) before plugging/unplugging the circuit card.
CHAPTER 4 | |
Page |
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Revision 2.1 | JULY, 1998 |