Avaya 03-300430 User Manual

Each PN in a direct-connect configuration must be connected to the other PNs through a fiber 
link. Each PN has one EI that functions as an Archangel. This EI must be connected with fiber 
to an EI. If an EI is functioning as an Archangel (bus master), its amber LED will be flashing at a 
rate of 2 seconds on and 200 ms off.

 shows the location of EI circuit packs in a typical duplicated PNC, direct-connect 

configuration.

In a duplicated PNC there is an A-side and a B-side PNC. Every EI in this diagram is labeled 
with an A or a B designating to which PNC it belongs. Note that a PNC’s designation (A or B) 
does not relate directly to the carrier where its EIS reside. Again, only one of a PN’s EIs can 
function as the Archangel (TDM-bus master). A PN’s EI that is:

●

On the active PNC

●

Logically connected to the media server

is the only one that can function in this mode. In normal operation, its amber LED should be 
blinking at a rate of 2 seconds on and 200 ms off.

PPN

CAB 1

CARRIER D

CARRIER C

EPN

CAB 2

CARRIER B

CARRIER A

EPN

CAB 3

CARRIER B

CARRIER A

FIBER 1 (A)

FIBER 1 (B)

FIBER 2 (A)

FIBER 2 (B)

FIBER 3 (B)

FIBER 3 (A)

E 

E

E E

E 

E

E E

E 

E

E E

I 

I

I I

3 

2

3 

2

Slot #

Slot #

Slot #

2 

1

2 

1

2 

1

2 

1

Slot #

Slot #

Slot #

I 

I

I I

I 

I

I I

(A) (A)

(A) (A) 

(A) (A)

(B) 

(B) 

(B) 

(B)

(B) (B)