Chapter 9 Connecting the cables 151BCM200/400 4.0 Installation and Maintenance GuideTable 51 compares the designated extension numbers on the Norstar and on the BCM systems.Setting DNs and port numbersThe MBM, based on the switch settings, defines which DNs and port numbers can be populatedwith telephones. If you have changed the default start DN for your system, use Table 52 to identifythe DNs and ports for your sets. If you are using the default start DN (221), a completed chart isprovided in Table 62 on page 165.Table 51 Extension comparison chartPorts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16DS30 bus 2, FEM port 1Norstar 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236BCM 225 226 227 228 221 222 223 224 233 234 235 236 229 230 231 232DS30 bus 3, FEM port 2Norstar 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252BCM 241 242 243 244 237 238 239 240 249 250 251 252 245 246 247 248DS30 bus 4, FEM port 3Norstar 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268BCM 257 258 259 260 253 254 255 256 265 266 267 268 261 262 263 264DS30 bus 5, FEM port 4Norstar 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284BCM 273 274 275 276 269 270 271 272 281 282 283 284 277 278 279 280DS30 bus 6, FEM port 5Norstar 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300BCM 289 290 291 292 285 286 287 288 297 298 299 300 293 294 295 296DS30 bus 7, FEM port 6Norstar 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316BCM 305 306 307 308 301 302 303 304 313 314 315 316 309 310 311 312Table 52 Cross-referencing ports and DNs (Sheet 1 of 2)Pin Wire colorDS30 bus2DS30 bus3DS30 bus4DS30 bus5DS30 bus6DS30 bus726 White-Blue DNPort 201DNPort 301DNPort 401DNPort 501DNPort 601DNPort 7011 Blue-White27 White-Orange DNPort 202DNPort 302DNPort 402DNPort 502DNPort 602DNPort 7022 Orange-White28 White-Green DNPort 203DNPort 303DNPort 403DNPort 503DNPort 603DNPort 7033 Green-White
