3705-80 CSB I FT SYMPTOM INDEX - C~nt - = == ';' == Maintenance Library

Error Suspected Card Program FEALD FETMM

Routine Code Function Tested Error Description Location(s) Mask Page Page Comments

X65B OX01 Xmt of 1st PAD char completed No L2, or L2 not from xmt line adr. A3L2 TA611 1st L2 char-svc irpt after setting scope sync 2. See XS5A XXX X for reg and checks.

OX02 Xmt of 1st PAD char completed The xmt PCF not = 9. A3F2 TA811 Xmt PCF was set to 8 by pgm in hardware setup.

The communication scanner hardware should have changed it to 9.

OX03 Xmt of 2nd PAD char completed No L2, or L2 was not from xmt line adr. A3L2 TA611 2nd L2 after scope sync 2. See X65A XXXX for reg and checks.

OX04 Rcv flag char No L2, or L2 not from rcv line adr. A3L2 TAS11 3rd L2 after scope sync 2. See X65A XXXX for

reg and checks.

OX05 Rcv flag char Rcv LCD not = 9, or PCF not = 6 for rcv line adr. A3G2 TA111 See X65A XXXX for reg and checks.

A3P2 TA121

OX06 Rcv flag char ICW bits 0-3 or 5 are in error. A3G2 TB021 ICW bit 2 should be on (flag detect). ICW bits 0,

1,3, and 5 should be off.

OX07 Xmt of flag char completed No L2, or L2 not from xmt line adr. A3L2 TAS11 4th L2 after scope sync 2. See X65A XXXX for reg

and checks.

OX08 Rcv data char X'OO' No L2, or L2 not from rcv line adr. A3L2 TAS11 5th L2 after scope sync 2. See XS5A XXXX for reg

and checks.

OX09 Rcv data char X'OO' The LCD changed, or the PCF is not = 7. A3F2 TA811 See XS5A XXXX note 1 fC!r reg and checks. The

LCD was previously set for either 5, S, or 7-bit mode. Reg X'1S' byte 0 contains expected LCD and PCF.

OXOA Rcv data char X'OO' The rcv data is not = X'OO', or ICW bits 0-3 or 5 are in error. A3E2 TA311 ICW bit 1 should be on. ICW bits 0, 2, 3, and 5

A3P2 TA121 should be off. See XS5A XXXX for reg and checks.

OXOB Xmt data char X'OO' completely xmt No L2, or L2 not from xmt line adr. A3L2 TAS11 Sth L2 after scope sync 2. See X65A XXXX for reg and checks. After this error display, the PDF is set with data char X'3F', the 'disable stuffer' bit is set on, the LCD is set to 9, and the PCF is set to D.

This should cause the xmt line to send constant DLC idle char without causing any more L2 irpt.

OXOC Rcv data char X'1 E', X'3E', or X'7E' L2 irpt did not occur, or L2 not from the rcv line adr. A3L2 TAS11 7th L2 after scope sync 2. See XS5A XXX X for reg and checks.

OXOD Rcv data char X'1 E', X'3E', or X'7E' The rcv data char not as expected (X'1 F', X'3F', or X'7F'), or ICW A3P2 TA111 See XS5A XXX X note 1 for reg and checks. Reg

bits 0-3 or 5 are in error. A3N2 TA511 X'16'

=

the expected ICW bits 0 through 15. ICW

bit 1 should be on; bits 0, 2, 3, and 5 should be off.

OXOE Rcv data char X'1 E', X'3E', or X'7E' No L2, or L2 not from the rcv line adr. A3L2 TA611 8th L2. This is the 2nd time this char is rcv. This is actually a flag char, but due to char boundary alignment on the 5, 6, or 7-bit chars, this is detected as a data char.

OXOF Rcv data char X'1 E', X'3E', or X'7E' Rcv PCF not

=

7, or the LCD changed. A3F2 TA811 LCD and PCF should not have changed. See XS5A XXXX for reg and checks.

OX10 Rcv data char X'1 E', X'3E', or X'7E' The rcv data char not as expected (X'1 F', X'3F', or X'7F'), or ICW A3P2 TA111 lSee XS5A XXXX note 1 for reg and checks. Reg

bits 0-3 or 5 are in error. A3N2 TA511 X'1S' contains the expected ICW bits 0 through 15.

ICW bit 1 should be on; bits 0, 2, 3, and 5 should be off.

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Function Tested Error Description

L2 irpt did not occur, or L2 was not from the rcv line adr.

Xmt data: AA For clock correction.

2A For clock correction.

3F A shifted flag char sent with the 'disable stuffer' bit on.

01 After the low order bit (a 1 bit) is sent from this char, the xmt SDF is cleared to a's, and the NRZI bit is set in the xmt ICW by doing an output X'46' with data of X'8000'. The 'last line state' bit is also set on when the 1 bit is being xmt. From this point, all a bits are serialized out of the SDF; but due to the NRZI circuits, alternate data bits should be xmt.

00 See comments under the 01 character.

Rcv data: Flag recognized from the xmt X'3F' plus the extra 1 bit.

AA .Alternate data bits rcv. Note that the NRZI bit is not set on for the rcv line adr.

AA Alternate data bits rcv.

This rtn tests ability of communication scanner to xmt data in NRZI mode. The xmt and rcv char are offset to generate a predictable irpfsequence. See notes 4 and 6 following this CSB symptom index for reason for this offset.

Xmt of 1st char completed Xmt of 1st char completed Xmt of 2nd char completed Rcv flag char

Rcv flag char Rcv flag char

Xmt of char X'3F' completed

Wait for xmt or rcv line adr to cause a L2 irpt

First character svc L2 after pgm set scope sync 2.

See X65A XXXX for reg and other checks. X65A XXXX for reg and checks.

Reg X'14' byte 0

=

LCD and PCF.

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3705-80 CSB 1FT SYMPTOM INDEX - Cont.

Error Suspected Card Program FEALD FETMM

Routine Code Function Tested Error Description Location(s) Mask Page Page Comments

X660 OXOC Wait for xmt or rcv line adr to cause a L2 irpt. No L2 irpt occurred from either xmt or rcv line adr. A3L2 TA6ll

OXOD Rcv data char X'AA' The L2 irpt not from rcv line adr. A3L2 TA6ll Reg X'14'

=

irpt line adr.

OXOE Rcv data char X'AA' Rcv LCD not

=

9, or PCF not

=

7. A3P2 TAlll Reg X'14' byte 0

=

LCD and PCF.

A3F2 TAB11

OXOF Rcv data char X'AA' Rcv data not

=

X'AA', or ICW bits 0-3 or 5 are in error. A3G2 TB021 Reg X'14' byte 1

=

PDF data; byte 0

=

ICW bits 0-7.

A3E2 TA3ll ICW bit 1 should be on. ICW bits 0, 2, 3, and 5

A3P2 TA5ll should be off.

OX10 Wait for xmt or rcv line adr to cause a L2 irpt. No L2 irpt occurred from either xmt or rcv line adr. A3L2 TA6ll

OX11 Rcv data char X'AA' L2 not from rcv line adr. A3L2 TA6ll Reg X'14'

=

irpt line adr.

OX12 Rcv data char X'AA' Rcv LCD not

=

9, or PCF not

=

7. A3P2 TAlll Reg X'14' byte 0

=

LCD and PCF.

A3F2 TABll

OX13 Rcv data char X'AA' Rcv data not

=

X'AA', or ICW bits 0-3 or 5 are in error. A3E2 TA511 Reg X'14' byte 1

=

rcv data from PDF; byte 0

A3P2 TA12l

=

ICW bits 0-7. ICW bit 1 should be on. ICW

bits 0, 2, 3, and 5 should be off.

OX14 Wait for xmt or rcv line adr to cause a L2 irpt. No L2 irpt occurred from either the xmt or rev line adr. A3L2 TA6ll

OX15 Rcv data char X'AA' L2 not from rcv line adr. A3L2 TA6ll Reg X'14'

=

irpt line adr.

OX16 Rcv data char X'AA'- Rcv LCD not

=

9, or PCF not

=

7. A3P2 TAlll Reg X'14' byte 0

=

LCD and PCF.

A3F2 TABll

OX17 Rcv data char X'AA' Rcv data not

=

X'AA', or ICW bits 0-3 or 5 are in error. A3E2 TA5ll Reg X'14' byte 1

=

PDF data. ICW bit 1 should

A3P2 TA12l be on. ICW bits 0, 2, 3, and 5 should not be on.

OX18 Wait for xmt or rcv line adr to cause L2 irpt. No L2 irpt occurred from either the xmt or rcv line adr. A3L2 TA6ll See X660 XXXX for reg and checks to be made.

OX19 Rcv data char X'AA' L2 not from rcv line adr. A3L2 TA611 Reg X'14'

=

irpt line adr.

OX1A Rcv data char X'AA' Rcv data not

=

9, or PCF not

=

7. A3P2 TAll1 Reg X'14' byte 0

=

LCD and PCF.

A3F2 TAB11

OX1B Rcv data char X'AA' Rcv data not

=

X'AA', or ICW bits 0-3 or 5 are in error. A3G2 TB02l Reg X'14' byte 1

=

rcv data (from PDF). ICW bit 1

A3N2 TA5l1 (svc-req) should be on. Bits 0, 2, 3, and 5 should

be off.

OX30 Xmt of data char X'OO' complete. The xmt LCD not

=

9, or PCF not

=

9. A3F2 TABll Reg X'14' byte 0

=

LCD and PCF. This error is in a subrtn common to aI/ xmt irpt after initial xmt of X'OO'.

X662 XXXX Sync monitor test - When in sync monitor state (LCD

=

9, PCF

=

4 or 5), the scanner is sampling for an EBCDIC SYN char, an ASCII SYN char, or a DLC flag char. This rtn tests to ensure (1) that when an EBCDIC SYN char is detected in the rcv data stream, the scanner sets the LCD to X'C' and the PCF to X'7' and (2) that when an ASCII SYN char is detected in the rcv data steam, the scanner sets the LCD to X'D' and the PCF to X'7'. The first installed line set pair that will run in DLC mode is wrapped. The set mode is done before setting the scope sync 2 as the pair of lines is wrapped. Any errors detected during set mode are pretest errors and start with error code lXXX. These error codes are in "Common Error Stops" fol/owing this CSB symptom index.

ICW bit 5 = DLC flag detect/disable stuffer remember.

ICW bit 6

=

pgm flag; this bit is ignored in this test.

ICW bit 7 = PAD flag/disable stuffer; this bit is ignored on the rcv data ICW bits 0-15 testing.

Reg X'14' (for errors that indicate the LCD or PCF is bad) = the LCD in byte 0 bits 0-3, and PCF in byte 0 bits 4-7.

The line is tested in 8-bit mode. The xmt char are offset from the rcv char. See notes 4 and.6 following this CSB symptom index for the reason for this offset.

Xmt data AA 2A 19 19 OB OB

Rcv data 32 16

OX01 Xmt of 1st char X'AA' completed

OX02 Xmt of 1st char X'AA' completed

OX03 Xmt of 2nd char X'2A' completed

OX04 Xmt of 1st EBCDIC SYN char X'19' completed

OX05 Xmt of 1st EBCDIC SYN char X'19' completed

OX06 Rcv EBCDIC SYN char X'32'

OX07 Rcv EBCDIC SYN char X'32'

OX08 Rcv EBCDIC SYN char X'32'

OX09 Xmt of 2nd EBCDIC SYN char X'19' completed

OXOA Xmt of 1st ASCII SYN char X'OB' completed

OXOB Xmt of 1st ASCIISYN char X'OB' completed.

OXOC Rcv ASCII SYN char X'16'

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No L2 char-svc irpt occurred from xmt line, or L2 irpt occurred but not from xmt line adr.

Xmt PCF not

=

9, or LCD not

=

^9.

No L2 char-svc irpt occurred from xmt line, or L2 irpt occurred but not from xmt line.

No L2 irpt, or L2 irpt not from xmt adr.

Xmt PCF not

=

9, or LCD not

=

^9.

No L2 irpt from rcv line adr, or irpt occurred from wrong line adr.

Rcv LCD not = C, or PCF not = 7.

ICW bitS 0-3 are in error, or data rcv in PDF is not = to X'32'.

No L2 irpt occurred from xmt line, or irpt occurred from wrong line adr.

Xmt LCD not = 9, or PCF not = 9.

No L2 irpt occurred from rcv line, or irpt occurred from wrong line adr.

After xmt initial, the scanner should have changed PCF to 9. communi-cation scanner hardware should change LCD to X'C' when a EBCDIC SYN char is rcv.

ICW bit 1 (svc-req) should be on; and ICW bits 0, 2, and 3 should be off. See X662 XXXX note 1.

See comment for X662 OX01.

Reg X'14' byte 0 contains actual LCD and PCF.

See comment for X662 OX06.

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3705-80 CSB 1FT SYMPTOM INDEX - Cont.

Error Suspected Card Program FEALD FETMM

Routine Code Function Tilted Error Description Locatlon(s) Mask Page Page Comments

X662 OXOD Rcv ASCII SYN char X'16' Rcv LCD not

=

0, or PCF not = 7. A3F2 TA261 Reg X'14' byte 0

=

LCD and PCF. The

communica-tion scanner hardware should change LCD to 0 when ASCII SYN char is rcv.

OXOE Rev ASCII SYN char X'16' Rcv line ICW bits 0-3 are in error, or the rcv data char in the PDF is A3N2 TA511 ICW bit 1 (svc-req) should be on. ICW bits 0, 2, and

not

=

to X'16'. 3 should be off. See X662 XXXX note 1.

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3705-80 CSB I FT SYMPTOM INDEX - C~nt

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3705-80 CSB 1FT SYMPTOM INDEX - Cont.

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3705-80 CSB 1FT SYMPTOM INDEX - Cont.

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3705-80 CSB I FT SYMPTOM INDEX - Cont.

Error

Routine Code Function Tested Error Description

Suspected Card

L ⁽ _l

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⁽ ⁽ ⁽ (- (- f. ^(: {- ⁽ .(- C ^f,~ ⁽ ^('

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