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Additional Communication Attributes
The following communication attributes are for the 3151, 3161, and 3164 terminals.
Communication |
| 3151 | 3151 | 3161/3164 | Description |
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Setup |
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| /11/31/41 | /51/61 | Settings |
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Attributes |
| Settings | Settings |
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Operating | mode | Echo | Echo | Echo | Data | entered | from |
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| keyboard on the terminal |
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| sent to the system unit |
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| translation | and | then |
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| back |
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| to | the | display | screen. |
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| Sometimes | called |
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| conversational | mode. |
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Line | speed | 9600 bps | 9600 bps | 9600 bps | Uses | the |
| 9600 | bps |
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| per |
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| second) | line | speed |
| to |
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| communicate |
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| unit. |
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Word | length | 8 | 8 | 8 | Selects | eight | bits |
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(bits) |
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| word | length | (byte). |
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Parity |
| No | No | No | Does | not |
| add | a | parity |
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| is used together with the word | |||||||||||||||
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| length | attribute | to | form | the |
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| data | word | (byte). |
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Stop | bit |
| 1 | 1 | 1 | Places | a |
| bit | after | a |
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Turnaround |
| CR | CR | CR | Selects | the | carriage | return |
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character |
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| (CR) character as the line |
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| turnaround | character. |
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Interface | Uses | the |
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| interface |
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| protocol. |
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Line | control | IPRTS | IPRTS | IPRTS | Uses | the |
| permanent |
| request |
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| to send' (IPRTS) signal to |
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| communicate |
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Break | signal | 500 | 500 | 500 | The |
| terminal | sends | a | break |
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(ms) |
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| signal' to the system unit |
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| within | 500 |
| ms | after |
| the |
| Break |
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| key |
| is | pressed. |
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Send | null | suppress | On | On |
| Trailing | null | characters | are |
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| not | sent | to | the | system |
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Send | null |
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| On | Trailing | null | characters | are |
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| sent |
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| unit. |
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Response | delay (ms) | 100 | 100 | 100 | The |
| terminal | waits | for | 100ms |
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