28
C
HAPTER
1: I
NTRODUCTION
■
If S1 and S2 are both on, the operating system software has not
started successfully.
■
If S1 and S2 flash in an alternating pattern, a file system check is in
progress, possibly due to an improper shutdown, and the boot
process will take longer than normal.
S3
— Indicates the status of music on hold (MOH).
■
If S3 is flashing (approximately 2 flashes per second), the music on
hold processor is initializing. If this flashing continues for more
than 2 minutes, the processor has not started successfully.
■
If S3 is on, the MOH processor has started successfully.
■
If S3 is flashing slowly (approximately 1 second on and 1 second
off), the MOH processor has started successfully, but no music
source is connected.
■
VOL-MOH
— This mini-jack (mono or stereo) accepts Music-On-Hold
audio from a CD player, tape player, or other music source. The
adjusting screw next to the jack controls the volume.
■
PAGING
— This RJ-11 connector provides an audio output or a dry
contact switch connection for use with a public address system.
■
EXT ALERT
— This RJ-11 connector is reserved for future use.
■
10BT UPLINK
— This connector provides means to connect to an
external Ethernet switch or hub.
The 3C10110C Network Call Processor includes a BNC connector for
uplink connections. The BNC and RJ-45 uplink connectors are alternative
connections for a single port. They cannot be used simultaneously.
If you use the Uplink connector, be sure to program the switch or router
on the other end for 10BASE-T 10 MB operation.
■
COM1
— The COM1 connector provides a DTE (Data Terminal
Exchange) connection for use with a VT100-compatible control
terminal. This connection provides command line access to the Call
Processor’s operating system and diagnostic commands.
■
COM2
— Reserved for future use.
Содержание 3C10111C - NBX 100 - Modular Exp Base
Страница 20: ...20 ABOUT THIS GUIDE ...
Страница 102: ...102 CHAPTER 2 INSTALLING SYSTEM HARDWARE COMPONENTS ...
Страница 122: ...122 CHAPTER 4 ANALOG LINE CARDS ...
Страница 132: ...132 CHAPTER 5 ANALOG DEVICES ...
Страница 138: ...138 CHAPTER 6 BRI ST DIGITAL LINE CARD ...
Страница 144: ...144 CHAPTER 7 E1 ISDN PRI DIGITAL LINE CARD ...
Страница 150: ...150 CHAPTER 8 T1 DIGITAL LINE CARD ...
Страница 184: ...184 APPENDIX A SPECIFICATIONS ...
Страница 190: ...190 APPENDIX B CIRCUIT PROVISIONING ...
Страница 206: ...206 INDEX ...