Cisco GS7000 Installation And Operation Manual page 130

Chapter 4 Setup and Operation
3x4-1, 3, 4 Forward Configuration Module
Three receivers each feeding one/two/three/four RF output ports. RCVR 1 feeds
Ports 4/5/6. RCVR 3 feeds Port 1. RCVR 4 feeds Ports 2/3.
Note: The 3x4-1, 3, 4 FCM can only be used with the 4-way RF amplifier module.
The following diagram illustrates forward path signal flow in this module.
110