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126 Chapter 4 Install, remove or replace the Media Bay Modules
P0993133 03
Installation/Replacement Troubleshooting
The Business Communications Manager media bay modules are working when both the Power
and Status LEDs on the modules are on, and are not blinking.
• If the Power LED does not light, refer to “Shut down the system” on page 110. After the
Business Communications Manager is correctly shut down, remove the module and check the
connectors at the back of the module for dirt or loose connections.
After you reinstall the module, if the LED still does not light, install a different module into
that bay to check for a possible fault in the backplane. If the second module works, assume
that the first module is defective and replace it with a new module.
• If the Power LED lights, but the Status light does not light, or continues to blink, wait 10
minutes to allow for information download. If the light continues to blink, power down the
system and check the DIP switch settings on the module. Ensure the connector is clean and
free from debris.
• If the LEDs are on solid, but the module cannot communicate or be communicated with, check
the Unified Manager settings for the module.
For information about the LEDs on the Business Communications Manager and expansion unit,
refer to See Table 16 on page 129.
DS30 channel 5, FEM port 4
Norstar 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284
BCM 273 274 275 276 269 270 271 272 281 282 283 284 277 278 279 280
DS30 channel 6, FEM port 5
Norstar 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300
BCM 289 290 291 292 285 286 287 288 297 298 299 300 293 294 295 296
DS30 channel 7, FEM port 6
Norstar 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316
BCM 305 306 307 308 301 302 303 304 313 314 315 316 309 310 311 312
Table 15 Extension comparison chart
Ports 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16