Rear Transition Module - 3Com V7122 User Manual

cPCI LED Indicators
Table 8
Label LED Color LED Function
PWR Green
SWAP READY Blue
During correct operation, the ACT LED is lit green, the FAIL LED is off. Changing of the FAIL
LED to red indicates a failure.

Rear Transition Module

The RTM includes PSTN trunks, an Ethernet interface and an optional RS-232 connector
(available only on the 1, 2 and 4-span configuration).
The Ethernet interface features dual 10/100 Base-TX, RJ-45 shielded connectors for (an
active / standby) redundancy scheme providing protection against the event of a failure.
The PSTN interface is available in 1-span, 2-span, 4-span, 8-span, or 16-span rear panels.
Rear panel with two 50-pin female Telco connectors (DDK 57AE-40500-21D) (shown in
Figure 4) is required for a gateway equipped with 16 E1/T1 spans. Rear panel with RJ-48c
connectors (shown in Figure
spans. The physical difference between the 1-Span, 2-Span and 4-Span RTMs, and the 8-
span RTM is that the RJ-48c ports are depopulated correspondingly.
Rear Panel with two 50-pin Connectors for 16 Trunks
Figure 4
34
Power is supplied to the board
The cPCI board can now be removed.
The cPCI board was inserted successfully.
For detailed information on inserting / removing the TP-1610 board, see
Installing the TP-1610.
5) is required for a gateway equipped with 1, 2, 4, or 8 E1/T1
V7122 GatewayUser Guide