Xerox ALLY PLUSTM 6287 - Manual (Page 111)

Page 6-3 COAX HOST CONSIDERATIONS
00 = For applications written for a device with old APL and without
Extended Data Stream capability.
20 = For applications written for a VSCS printer (VM only).
40 = For applications written for a device with new APL.
80 = For applications written for a device with Extended Data Stream
capability.
C0 = For applications written for a device with new APL and Extended
Data Stream capability.
Extended Attribute Buffer Support
The ALLY PLUS supports the Extended Attribute Buffer (EAB) feature
found in many IBM 3287 printers. This feature “extends” the number of
characters available for transmission to the printer. These characters are
found in the following Translate Table:
APL from DSC
Refer to the Translate and Function Table Report in the Appendix for
specific table values.
To use this feature, the ALLY PLUS must have Option #50 set to 02 (for a
2K physical buffer with EAB support) or 03 (for a 4K physical buffer with
EAB support). Also refer to the APL Support section above.