Tadiran Telecom Coral IPx 800 Series, Инструкция по установке и справочник по аппаратной части, Страница: 175 / 400

External Connections
5-49
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For further information, on how to make the connection, refer also to the
Coral Service and Peripheral Cards Installation Manual.
The external network connections to the T1 and 30T (layout UDT “C”) digital circuit
are made via one of the three connectors available at the front and rear panels:
„
Front Panel : RJ-45 telephony connector (
Table 5-10
and
Figure 5-19 on page 5-34
)
„
Front Panel : DA-15S, 15 pin female D-type connector (
Table 5-10
and
Figure 5-20
on page 5-35
).
„
Rear Panel : RJ-45 telephony connector (
Table 5-17
and
Figure 5-34
).
Figure 5-34
describes the connection from the rear panel to the PSTN/LTU/CSU.
Table 5-17 T1, 30T
(layout UDT “C”) Rear
Panel RJ-45 Network
Interface Connections
Figure 5-34 T1, 30T
(layout UDT “C”) Rear
Panel RJ-45 Interface
Connector PIN
Assignment to the
PSTN/LTU/CSU
4 T1, 30T/x, 30T/E Card (Layout UDT “C” and later)
Use one connector only.
Do not use two or three connectors at the same time.
RJ-45
Pin #
Nomination Functions
Pin 1 Rx Ring Receive Data from Network
Pin 2 Rx Tip Receive Data from Network
Pin 3,6 Shield Cable Shield, 48VDC Return
Pin 4 Tx Ring Transmit Data to Network
Pin 5 Tx Tip Transmit Data to Network.
Pin 7 -48VDC Power for CSU/LTU
Pin 8 GND Cable Shield, 48VDC Return
1 2 3 4 5 6 7 8
1 - Rx Ring
2 - Rx Tip
3 - Shield
6 - Shield
4 - Tx Ring
5 - Tx Tip
7 - -48VDC
8 - GND
RJ-45
Connector