GENERAL SPECIFICATIONS
Input Protocol: | IBM 3270 coax LU1 or LU3 protocol and Centronics |
| parallel protocol |
Output Protocol: | Epson parallel, internal interface connection |
Receive Data Rate: | Maximum burst: 2.3587 million bits/second |
Data Buffering: | 4K byte coax communication buffer |
Language Support: | Standard IBM 3174 language sections (See |
| Appendix A, Command 8 for list of languages.) |
Connectors: | Female BNC coax connector and |
| parallel connector for alternate host (PC) sharing |
Indicators: | One red LED |
| One green LED |
Switches: | Two push buttons |
Power Required: | +5V @ 240mA, supplied by the printer |
LED SPECIFICATIONS
LED Indication | status |
Green ON | The control unit (CU) is communicating with the interface card |
| (within past 30 seconds). |
Green OFF | The CU is not communicating with the interface card. |
Red ON | The program attention (PA) manual option (see Appendix A, |
| command 35) is active and the printer received a request (from |
| the host software) for a PA button to be pressed by the user so |
| printing can continue. |
Red Blinks | The user pressed and released both buttons at the same time |
Twice | (for less than 1 second) sending a cancel message to the host. |
Red Remains | The interface encountered problems during its self test. |
on after turn on | (The red LED goes off after a normal self test.) |