AT&T 3B2/300 Technical Reference Manual page 674

Appendix: CONNECTOR AND CABLING I N F O R M A T I O N - - - - - - - - - - - - - - - -
464-PIN BACKPLANE CONNECTOR, J02 (Contd)
PIN DESCRIPTION FUNCTION
291 BUB DATA BIT 00 (BDOO[l]) INPUT /OUTPUT
292 NOT USED NC
293
BUB DAT A BIT 02 (BD02[1]) INPUT /OUTPUT
294 BUB DAT A BIT 04 (BD04[1]) INPUT /OUTPUT
295 GROUND (GRD) GROUND
296
BUB DATA BIT 03 (BD03[1]) INPUT /OUTPUT
297 BUB DATA BIT 05 (BD05[1]) INPUT /OUTPUT
298 GROUND (GRD)
GROUND
299 BUB DAT A BIT 07 (BD07[1]) INPUT /OUTPUT
300 BUB DATA BIT 06 (BD06[1]) INPUT /OUTPUT
301 BUB DATA BIT 08 (BD08[1]) INPUT /OUTPUT
302 BUB DATA BIT 10 (BDlO[l]) INPUT /OUTPUT
303 +5v (VCC)
POWER
304 BUB DATA BIT 09 (BD09[1]) INPUT /OUTPUT
305 BUB DATA BIT 11 (BDll[l]) INPUT /OUTPUT
306 GROUND (GRD) GROUND
307 BUB DAT A BIT 13 (BD13[1]) INPUT /OUTPUT
308
BUB DATA BIT 12 (BD12[1]) INPUT /OUTPUT
309
BUB DATA BIT 14 (BD14[1]) INPUT /OUTPUT
310
BUB DATA BIT 17 (BD17[1]) INPUT /OUTPUT
311 BUB DATA BIT 16 (BD16[1]) INPUT /OUTPUT
312
BUB DATA BIT 15 (BD15[1]) INPUT /OUTPUT
313
BUB DATA BIT 18 (BD18[1]) INPUT/OUTPUT
314 BUB DATA BIT 20 (BD20[1]) INPUT /OUTPUT
315
GROUND (GRD) GROUND
316 BUB DATA BIT 19 (BD19[1]) INPUT /OUTPUT
317 BUB DATA BIT 21 (BD21[1]) INPUT /OUTPUT
318 GROUND (GRD)
GROUND
319 BUB DATA BIT 23 (BD23[1]) INPUT /OUTPUT
320 BUB DAT A BIT 22 (BD22[1]) INPUT /OUTPUT
321 BUB DATA BIT 24 (BD24[1])
INPUT /OUTPUT
322 BUB DAT A BIT 26 (BD26[1])
INPUT /OUTPUT
323 GROUND (GRD) GROUND
324 BUB DATA BIT 25 (BD25[1]) INPUT /OUTPUT
325
BUB DATA BIT 27 (BD27[1]) INPUT /OUTPUT
326 GROUND (GRD) GROUND
327 BUB DATA BIT 29 (BD29[1])
INPUT /OUTPUT
328
BUB DATA BIT 28 (BD28[1]) INPUT /OUTPUT
329 SYSTEM RESET (SYSRST[O])
OUTPUT
330
REQUEST SYSTEM RESET (RQRST[O]) INPUT /OUTPUT
331
NOT USED NC
332
THERMAL SHUTDOWN (THSDN[O]) INPUT
333
BUB DATA BIT 30 (BD30[1])
INPUT /OUTPUT
334 RECEIVED FAILURE (RFAIL[O]) INPUT
335 +5V (VCC)
POWER
336 BUB DATA BIT 31 (BD31[1])
INPUT /OUTPUT
337 BUB CONNECTOR INHIBIT (BINHIBO[O])
OUTPUT
338
BUB INTERRUPT LEVEL 10 (BINTOlO[O]) INPUT
339 BUB INTERRUPT LEVEL 12 (BINT012[0])
INPUT
340
BUB INTERRUPT LEVEL 14 (BINT014[0])
INPUT
341* UBUS DATA BIT 01 (CDOl[l]) NOT USED
INPUT /OUTPUT NC
342 GROUND (GRD)
GROUND
343• UBUS DAT A BIT 00 (CDOO[l]) NOT USED
INPUT /OUTPUT
NC
344• UBUS SEQUENTIAL ACCESS (CSEQACC[O])
NOT USED INPUT NC
345• UBUS DATA BIT 05 (CD05[1]) NOT USED INPUT/OUTPUT NC
346* UBUS DATA BIT 04 (CD04[1]) NOT USED
INPUT/OUTPUT NC
347* UBUS DATA BIT 03 (CD03[1])
NOT USED INPUT /OUTPUT NC
348*
UBUS DATA BIT 02 (CD02[1]) NOT USED
INPUT /OUTPUT
NC
• CM518C System Board signal description shown in italics.
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