Nortel Communication Server 1000M, Installation And Configuration Manual

Page: 63 / 122

Configuring ISDN BRI hardware Page 63 of 120
ISDN Basic Rate Interface Installation and Configuration
Figure 13
SILC line power options
Store unused jumper plugs on position J1 of the SILC for future use. The
following are descriptions of the three options and their jumper settings.
• Normal power on the TX and RX leads. This option is set at the
factory and provides normal power (-48V or -40V) on the TX lead and
battery return (BRTN) on the RX lead to power the terminal. To
implement it, install one jumper plug across the RX and BRTN pins,
and one across the PWR and TX pins, as shown in Figure 14 on
page 64 .
DSL Port 0
DSL Port 1
DSL Port 2
DSL Port 3
DSL Port 4
DSL Port 5
DSL Port 6
DSL Port 7
553-7579.EPS
Faceplate
Jumper plug
location
NT6D70 SILC
Backplane
connector
J10
J9
J8
J7
J6
J5
J4
J3
J1
J2
Storage for
unused
jumper plugs
J2 (not used)