
CHANNEL INTERFACE MODULE (CIM)
Switch | Open Sections |
| Close Sections |
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| Digital | Communication Using | Secondary Lines | ||||||
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S1 | 1 | 2 | - | 4 | - | - | 3 | - |
S3 | 1 | 2 | - | - | - | - | 3 | 4 |
S4 | - | - | 3 | 4 | 1 | 2 | - | - |
S5 | - | - | - | - | 1 | 2 | 3 | 4 |
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| AFSK | Communication Using | Secondary Lines | ||||||
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S1 | - | 2 | - | 4 | 1 | - | 3 | - |
S3 | - | - | 3 | 4 | 1 | 2 | - | - |
S4 | 1 | 2 | - | - | - | - | 3 | 4 |
S5 | - | - | - | - | 1 | 2 | 3 | 4 |
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AFSK | Communication On | The Main Line |
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S1 | 1 | - | - | 4 | - | 2 | 3 | - |
S3 | 1 | 2 | 3 | 4 | - | - | - | - |
S4 | 1 | 2 | 3 | 4 | - | - | - | - |
S5 | - | - | - | - | 1 | 2 | 3 | 4 |
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8.2.2 JUMPER PLACEMENT
TablePLACEMENT
JU | Pin | Description |
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J24 | 1 to 2* | Selects 27512 EPROM operation |
| 2 to 3 | Selects 27256 EPROM operation |
J27 | 1 to 2 | Not Used |
| 2 to 3* | Normal Operation |
P33 | 1 to 2* | No personality card attached |
| 3 to 4* | No personality card attached |
| 5 | open |
| 6 | open |
J36 | 1 only* | Not used |
| 1 to 2 | |
| 2 to 3 | |
J14 | Jumper pin | 1 to 2 for high impedance ground path |
J15 | for split 600 ohm inputs and outputs. Leave open | |
J21 | if no ground path desired. | |
J22 |
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*Setting for Normal operation.
8.2.3 CIM BACKPLANE EXTERNAL CONTACTS
See the Backplane Section 23 for
Backplane | Description | Wire Harness | |
P34 to P45 |
| J1,3,5,7 | |
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pin 27 | Sec Rx + | pin 1 | RxS+ |
pin 28 | Sec Rx - | pin 2 | RxS- |
pin 29 | EA lead | pin 3 | EA |
pin 30 | EB lead | pin 4 | EB |
pin 31 | Pri Rx Audio+ | pin 5 | RxA+ |
pin 32 | Pri Rx Audio- | pin 6 | RxA- |
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| J2,4,6,8 |
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pin 59 | Sec Tx + | TxS+ | pin 1 |
pin 60 | Sec Tx - | TxS- | pin 2 |
pin 61 | MA lead | MA | pin 3 |
pin 62 | MB lead | MB | pin 4 |
pin 63 | Pri Tx Audio+ | TxA+ | pin 5 |
pin 64 | Pri Tx Audio- | TxA- | pin 6 |