Rear Transition Module - 3Com VCX V7122 User Manual

Table 8
cPCI LED Indicators
Label LED Color
PWR Green
SWAP READY Blue
During correct VCX V7122 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 VCX V7122 RTM includes a PSTN trunks and an Ethernet interfaces.
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 provided with a choice of rear panels (1-span, 2-span, 4-span, 8-span
or 16-span).
Rear panel with two 50-pin female Telco connectors (DDK 57AE-40500-21D) (see
is required for a gateway equipped with up to 16 E1/T1 spans. Rear panel with RJ-48c
connectors (see Figure 5
E1/T1 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.
Figure 4 Rear Panel with two 50-pin Connectors for 16 Trunks
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3Com VCX V7122 SIP VoIP Gateway User Manual
LED Function
Power is supplied to the board
The cPCI board can now be removed.
The cPCI board was inserted successfully.
For detailed information on the Swap-Ready LED see
Board Hot-Swap Support
on page 24) is required for a gateway equipped with 1, 2, 4, or 8
2
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on page .
3
Figure 4)
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