Avaya 5900 Series Installing Manual page 51

1 = Base unit
2 = Last unit
3 = 0.5m Cascade/Stack cable
4 = 1.0m Cascade/Stack cable (Return cable)
Figure 25: Cascade up configuration
Note:
Return cable length may vary depending on unit spacing. Ensure you order the proper length
return cable to provide adequate strain relief.
For stack installation procedures, see
September 2017
Stack configuration
Installing Avaya ERS 5900 Series
Comments on this document? infodev@avaya.com
Single and multiple switch arrangements
on page 53.
51