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