Oki OKIPOS 441 SerialBlack Users Guide - Page 53
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Pin No. 31 32 33 34 35 36 Direction In Out Out Out In Compatibility Mode Signal Name nInit nFault EXT GND Compulsion Status Logic High (+5V) nSelectIn Nibble Mode Signal Name nInit nDataAvail/Data0,4 - - - 1284Active Note: 1. The prefix "n" on the signal name refers to low active signals. If the host does not have any one of the signal lines listed above, two-way com- munication fails. 2. For interfacing, signal lines should always use twisted pair cables with the return sides connected to the signal ground level. 3. Cautions when resetting the printer using the nInit signal (#31 pin). Reset can be made from #31 pin (nInit signal) of the interface by memory switch setting. (Factory setting is reset.) In addition, when reset has been enabled by #31 pin (nInit signal), it can be set to reset when the following conditions have been established: memory switch settings for 6-D and 6-E have been changed, #36 pin (nSelectIn/1284 active signal) is low, and #31 pin (nInit signal) is low. For instructions on setting the memory switch, please refer to the separate Specification Manual. 4. During factory output, IFEE 1284 printer device ID reply will be "Invalid." To get the device ID, change memory switch 6-C to "Valid." For instructions on setting the memory switch, please refer to the separate Specification Manual. This connector mates with an Amphenol 57-30360 connector Parallel interface connector (printer side) - 49 -
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