NEC NDA-24298 manual Fch #A →

AFPC : Assignment of FCCH Routing Data for Local Data Memory

3. Data Entry Instructions

FPC

FPC is the unique number allocated to each node.

Assign FPC of the final destination node in this parameter.

FCCH

0 = The FCH card is not used

1 = The FCH card is used

USE_GATE

0 = Gateway Function is not used

1 = Gateway Function is used

Note 1

P_ROUTE

0 = FCCH

1 = FGH

Note 2

FUSION POINT	FCCH USE OR	GATEWAY FUNCTION				PRIORITY ROUTE
				USE
CODE (FPC)	NOT USE (FCCH)						(P_ROUTE)
			(USE_GATE)
1-253	0/1						0/1
			0/1
9	1
CNT		1		2	3	4		5	6	7	8
CONNECTION ROUTE
(C_RT)		10		10	10	10		10	10	10	10
1-1023
FCCH NUMBER/FUSION
POINT CODE NUMBER		11		11	11	11		11	11	11	11
(FCHN/FPCN) 1-255/1-253

C_RT

The Connection Route (B-channel)

FCHN/FPCN

If FCCH = 0 (FCH card is not used.),

assign Fusion Point Code Number of the final destination node.

If FCCH = 1(FCH card is used), assign the FCCH number

Note 1: “USE_GATE” data is automatically set and this parameter won’t appear on the MAT display.

Note 2: It depends on the assignment on P_ROUTE parameter, whether the direct connection or FCH connection routing is selected.

In redundant configuration of internal LAN, #A/#B system changeover is to be activated in case all the routes, both for direct connection and FCH connection, are unable to communicate.

According to the P_ROUTE assignment, the route is selected in the following order;

When “0=FCCH” is selected,
#A direct connection →	FCH #A →	#B direct connection →	FCH #B
or
#B direct connection →	FCH #B →	#A direct connection →	FCH #A
When “1=FGH” is selected,
FCH #A → #A direct connection →		FCH #B → #B direct connection
or
FCH #B → #B direct connection →		FCH #A → #A direct connection

CHAPTER 4 NDA-24298

Page 876

Issue 1