To Install A Bri Interface Pcb - NEC Aspire S Manual

To install a BRI Interface PCB:

1. Set the SWn02 jumpers on the BRI PCB for either T-Bus or S-Bus.
2. Set the SWn00 jumpers as either terminated or unterminated.
3. Set the CNn02 jumpers to either provide power (with S-Bus) or not to supply power (with T-Bus).
4. Plug the BRI PCB into the system cabinet.
was found during the self diagnostics routine, the status LED will flash slow.
established. If there is no link, the LED will be off.
5. Connect the cable from the NT1 Network Termination cable to the CN2 connector on the BRI PCB.
6. Tighten the screw on the PCB to secure the card to the cabinet.
Live Status LEDs
Aspire S Hardware Manual
Section 2: PCB Installation and Startup
Once the system is powered up, with normal operation, the status LED will flash fast. If trouble
Once connected, the ISDN Layer Link Status LEDs will be on steady when the Layer 1 link is
PCB Status LED
LD1 - LD2
ISDN Layer
CN8
CN2
RJ61 ISDN Trunk Connector
(Trunk 2)
Figure 2-13: BRI PCB INSTALLATION
CN102 - Power Feed
Selector for Terminal
SW100
Sets termination impedance
SW102
Selects 'T' or 'S' Bus Interface
CN202 - Power Feed
Selector for Terminal
SW200
Sets termination impedance
SW202
Selects 'T' or 'S' Bus Interface
CN2
RJ61 ISDN Trunk Connector
(Trunk 1)
Section 2: PCB Installation and Startup ◆ 2-31
2