3Com 3C10111C - NBX 100 - Modular Exp Base Installation Manual page 39

Figure 14 NBX Analog Terminal Card (3C10117B-INT)
3C10117B-INT 3Com NBX Analog Terminal Card
Figure 15 NBX Analog Terminal Card (3C10117C)
3C10117C 3Com NBX Analog Terminal Card
1 2
NOT FOR TELECOM USE
1 2
NOT FOR TELECOM USE
Each Analog Terminal Card has the following lights and connectors:
Analog Connectors (1 through 4) — Four RJ11connectors enable
■
you to connect analog devices to the NBX system.
Status Lights (1 through 4) — Each light indicates the status of the
■
associated port.
Initialization:
Fast steady blink – Waiting for software download.
■
Solid on – Software has been downloaded. The flash memory on
■
the board is being loaded.
Slow, non-symmetric blinking pattern – Waiting for the
■
completion of the binding process to the call processor.
Operation:
Off for 9 to 10 seconds, on briefly – Idle, telephone is on hook.
■
On for 9 to 10 seconds, off briefly – Idle, telephone is off hook.
■
Console Connector — This DB-9 connector provides an RS-232
■
(DCE) TTY terminal connection for maintenance access.
Overview of NBX Cards and Devices
4
3
4
3
CONSOLE
1 2 3 4
CONSOLE
1 2 3 4
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