User guide

Installing the SCOPIA Gateway 19
Physical Description
GATEWAY P20 SP
RTM
The Rear Transition Module (RTM) provides the PRI line connections for the
Gateway P20 SP.
Figure 2-2 shows the RTM panel components of the Gateway P20 SP module.
Table 2-2 describes these components.
Figure 2-2 PRI Gateway: Rear Transition Module
ETHERNET LEDs The top part of the Ethernet connector contains two LED
indicators. The left-hand LED lights green when the local
IP network link is active. The right-hand LED lights green
if the connection speed is 100 Mbps, and is off when the
connection speed is 10 Mbps.
SWAP RDY LED Hot Swap indication. Lights blue when the latches of a
board are unlocked and it is safe to remove the board from
the chassis. Goes off when the board is completely
detached.
Table 2-1 Front Panel Components (continued)
Component Description
Table 2-2 PRI Gateway Rear Transition Module Components
Component Description
ACT LEDs Lights green to indicate that there are active calls in the
Gateway
.
D-Ch LEDs Lights green to indicate that the PRI line is enabled and a
carrier signal is detected.
ALRM LEDs Displays alarm events for the PRI line.
 YELLOW —Lights yellow when there is a loss
of frame alignment at the remote side.
 ORANGE—Lights orange when there is a loss
of frame alignment in the Gateway.