
INTELLIGENT DISPATCH MODULE (IDM)
12.2.1 SWITCH SETTINGS
Refer to Figure
Command and Control Communication
The command and control communication to the Consoles takes place on a digital
Switch |
| Open Sections |
| Close Sections | |||||
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S1 | 1 |
| 2 | - | 4 | - | - | 3 | - |
S3 | 1 |
| 2 | - | - | - | - | 3 | 4 |
S4 | - |
| - | 3 | 4 | 1 | 2 | - | - |
S5 | - |
| - | - | - | 1 | 2 | 3 | 4 |
12.2.2IDM 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 if | |
J21 | no ground path desired. | |
J22 |
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*Setting for Normal operation.
12.2.3IDM BACKPLANE EXTERNAL CONTACTS
See the Backplane Section 23 for pinouts on the shelf backplane and wire harness pinouts.
TableBackplane |
| Wire Harness | |
P34 to P45 | Description |
| J1,3,5,7 |
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pin 27 | Sec Rx + | pin 1 | Signal |
pin 28 | Sec Rx - | pin 2 | Ground |
pin 29 | EA lead | pin 3 |
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pin 30 | EB lead | pin 4 |
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pin 31 | Pri Rx Audio+ | pin 5 |
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pin 32 | Pri Rx Audio- | pin 6 |
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| J2,4,6,8 |
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pin 59 | Sec Tx + | Signal | pin 1 |
pin 60 | Sec Tx - | Ground | pin 2 |
pin 61 | MA lead |
| pin 3 |
pin 62 | MB lead |
| pin 4 |
pin 63 | Pri Tx Audio+ |
| pin 5 |
pin 64 | Pri Tx Audio- |
| pin 6 |