Ports on the GTNU Panel

The GTNU panel provides six ports labeled TDM0-TDM5,

Table 1 describes the ports on the GTNU panel.

**Table 1** Ports on the GTNU panel
Port	Function	Port
TDM0 to TDM5	TDM high-speed serial ports, used for GTNU interconnections between subracks	DB14

NOTE:

The BSC supports the inter-GTNU connections between the GMPS and the GEPS. It also supports the inter-GTNU connections between GTCSs.