Cisco GS7000 Installation And Operation Manual page 66

Chapter 5 Using the Web Interface
Component
Transmitter Slots 1-4
(Slots 8-11)
50
Description
The maximum number of transmitter slots or slots to the right
of the transponder in the node or optical hub. Set the active
slots to Return Laser, Optical Amplifier, or Optical Switch as
appropriate. Set any slots that do not have a module installed
to Empty.
4037424 Rev A