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144 Chapter 11 Installing telephones and peripherals
P0609324 01
Table 38 Cross referencing ports and DNs on a new version 3.0 or newer system
Pins Port*
DS 30
bus 02
DNs
DS 30
bus 03
DNs
DS 30
bus 04
DNs
DS 30
bus 05
DNs
DS 30
bus 06
DNs
DS 30
bus 07
DNs
26/1 X01 221 253 285 317 349 381
27/2 X02 222 254 286 318 350 382
28/3 X03 223 255 287 319 351 383
29/4 X04 224 256 288 320 352 384
30/5 X05 225 257 289 321 353 385
31/6 X06 226 258 290 322 354 386
32/7 X07 227 259 291 323 355 387
33/8 X08 228 260 292 324 356 388
34/9 X09 229 261 293 325 357 389
35/10 X10 230 262 294 326 358 390
36/11 X11 231 263 295 327 359 391
37/12 X12 232 264 296 328 360 392
38/13 X13 233 265 297 329 361 393
39/14 X14 234 266 298 330 362 394
40/15 X15 235 267 299 331 363 395
41/16 X16 236 268 300 332 364 396
Second-level DNs (DS 30 bus set to Full Double Density)
Pins Port*
DS 30
bus 02
DNs
DS 30
bus 03
DNs
DS 30
bus 04
DNs
DS 30
bus 05
DNs
DS 30
bus 06
DNs**
DS 30
bus 07
DNs**
26/1 X17 237 269 301 333 365 397
27/2 X18 238 270 302 334 366 398
28/3 X19 239 271 303 335 367 399
29/4 X20 240 272 304 336 368 400
30/5 X21 241 273 305 337 369 401
31/6 X22 242 274 306 338 370 402
32/7 X23 243 275 307 339 371 403
33/8 X24 244 276 308 340 372 404
34/9 X25 245 277 309 341 373 405
35/10 X26 246 278 310 342 374 406
36/11 X27 247 279 311 343 375 407
37/12 X28 248 280 312 344 376 408
38/13 X29 249 281 313 345 377 409
39/14 X30 250 282 314 346 378 410
40/15 X31 251 283 315 347 379 411
41/16 X32 252 284 316 348 380 412
* For each port, substitute the X for the DS30 bus number. Example: Port X01 on DS30 bus 02 is port 0201.
** On default systems, these two DS30 bus blocks are set to Partial Double Density (PDD), which means that the
second level of DNs are not available.