Cisco 79XX - Expansion Module Red Lights
The purpose of this document is to troubleshoot the 7970's expansion module with all lights are red.
Expansion module all light up red.
- CCM: CHI CM 6.
- Phone Model: 7970
- Expansion module: 7914
The phone had an old firmware(TERM70.6-0-2-0S)
It couldn't upgrade directly to the CHI CM 6 default load for 7970's(SCCP70.8-5-3S).
The old firmware doesn't work with the side car.
- Upgrade the phone to version : SCCP70.8-3-1S.
- Then upgrade to Version: SCCP70.8-4-4S.
- Then remove the load specified in CCM so it would upgrade to the default version: SCCP70.8-5-3S