Switch Settings (Continued)
| SWITCH | SWITCH | SETTING | FUNCTION | CHECK | |||
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JPS (Jumper pin) |
| Right | Neutral grounding on the transmitting line is not provid- |
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| Left | Neutral grounding on the transmitting line is provided. |
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JPR0 (Jumper pin) |
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| Up |
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| Neutral grounding on the receiving line is provided. |
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JPR1 (Jumper pin) |
| Right | Line impedance : 110 ohms |
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Line impedance : 100 ohms
Left
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, flip the MB switch to ON (UP position) before plugging/unplugging the circuit card.
Note 3: Set
NO. OF DTI |
| DTI0 | DTI1 | DTI2 | DTI3 | DTI4 |
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| REMARKS |
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| SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | |
| SW |
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CONDITIONS |
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When one DTI is |
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| The MP card receives the clock | |
provided |
| ON | OFF |
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| signal from DTI0 at its PLO0 in- | |
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When more than one |
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| The MP card receives the clock | |
DTI is provided |
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| signal from DTI0 at its PLO0 in- | |
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| put under normal conditions. |
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| ON | OFF | OFF | ON | OFF | OFF | OFF | OFF | OFF | OFF | Should a clock failure occur with |
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| DTI0, the MP card switches to the |
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| PLO1 input, which gets clock |
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| from DTI1. |
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Note 4: When the PBX is the master office, set the
CHAPTER 4 |
Page 74
Revision 2.0
