Nortel-networks Mediant TP-1610 SIP Instrukcja Użytkownika Strona 24

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Mediant 2000 SIP
Mediant 2000 SIP User’s Manual 24 Document #: LTRT-72504
2.4 Rear Transition Module
The Mediant 2000 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) (shown in Figure
2-3) is required for a gateway equipped with up to 16 E1/T1 spans. Rear panel with RJ-48c
connectors (shown in Figure
2-4) is required for a gateway equipped with 1, 2, 4, or 8 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
2-3: Rear Panel with two 50-pin Connectors for 16 Trunks
Table
2-8: Rear Panel with two 50-pin Connectors for 16 Trunks Component Descriptions
Item # Label Component Description
1 ETHERNET 2 Ethernet Ports. 2 RJ-45 network connectors.
2 TRUNKS E1/T1 trunks 9 to 16. 50-pin male Telco connector.
3 TRUNKS E1/T1 trunks 1 to 8. 50-pin male Telco connector.
1
2
3
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