Instruction manual

Total Access 850 System Manual Section 2 Engineering Guidelines

Quad FXS Access Module (P/N 1175408L2)

The Quad FXS Access Modules use the 50-pin female amphenol connector on the rear of the Total Access 850

chassis to provide the interconnect wiring for the four analog circuits on each access module.

Faceplate LEDs

The faceplate LEDs provide status information using a color coded message format. Table 20 gives a

description of all faceplate LEDs for the Quad FXS Module when used with the Total Access 850 system.

Table 19. PSU Faceplate LEDs

For these LEDs... This color light... Indicates that...

POWER OFF the system is disconnected from the power source or

powered off.

GREEN the system is connected to a power source and is

powered on.

RING OFF ring generation is disabled for the system.

GREEN ring generation is enabled for the system.

BANK ALM OFF the system is in normal operation.

Solid RED there is currently an active alarm condition.

Blinking RED there was an alarm condition, but it was acknowledged

by pressing the ACO pushbutton (located on the PSU

faceplate).

Table 20. Quad FXS Module Faceplate LEDs

For these LEDs... This color light... Indicates that...

BUSY OFF the interface is currently on-hook and not in use.

Solid GREEN the interface is currently off-hook (busy).

Blinking GREEN the interface is ringing.

Sequencing 1-4 the assigned network T1 time slot is unavailable for use

by the module.