Table of Contents
Advertisement
Configuring ISDN BRI hardware
are polarity-sensitive, maintain signal polarity along each loop as shown in
connecting an SILC port
page 63.
:Each UILC provides eight two-wire full-duplex ports. These ports connect to twisted pair trunk
wiring facilities to form DSLs, as shown in
page 63. The DSLs are not polarity-sensitive and it is not necessary to maintain signal polarity
along each loop.
Cross-connecting DSLs at the cross-connect terminal
To cross-connect SILC and/or UILC ports to the trunk wiring facilities:
1. Identify the card type (SILC or UILC) at the cross-connect terminal.
2. Identify transmit and receive pins on the top of the labeled distribution strip for the
3. Identify the trunk wiring facilities connected at the cross-connect terminal.
4. Cross-connect the pins from the SILC or UILC to the trunk wiring facilities.
5. Repeat this procedure for each DSL.
62
ISDN Basic Rate Interface Installation and Commissioning
on page 63 on
card type you are connecting.
Refer to
Table 15: SILC and UILC port assignments connectors at cross-connect
terminal
on page 69 on
cross-connect terminal
SILC or UILC.
Note:
For the system DSL in TE mode, reverse the TX and RX pairs as shown in
21: Connecting the ISDN network terminator to the U interface and to the S/T
interface (in TE mode)
Ring pins as for line application. Rewire the selected TX and RX pairs to
exchange their TX pairs with RX pair position. This procedure is required since
SILC cards are designed for applications in the NT mode.
Figure 19: Cross-connecting an SILC port
Figure 20: Cross-connecting a UILC port
Table 15: SILC and UILC port assignments connectors at
on page 69 to identify ports and their pin numbers for a
on page 64. Maintain the same polarity on the Tip and
Figure 19: Cross-
on
on
Figure
March 2011
Advertisement
Table of Contents
