K1-14
AR-B1378-F2 (New type CPU card)
5. AR-B1378-F2
The CPU card AR-B1374 used in the terminal unit IB-581, HSD Modem IB-680/681,
and NBDP DP-6 is no longer produced.
The new card is compatible with old one when it is used for IB-680/681 and DP-6.
For IB-581, replace the old card and T. BOARD with new ones at a time. The code
number and type of new T. BOARD are;
Type:16P0167
Code No.: 004-444-100
The type of new CPU card is listed below.
Model
New CPU
Card
Code No. Specification
Compatibility
with old card
IB-581 AR-B1378 F2 004444070
With VGA No
IB-680 AR-B1378 FH 004442980
Without VGA Yes
IB-681 AR-B1378 FH 004442980
Without VGA Yes
DP-6 AR-B1378 FC 005939230
Without VGA Yes
Factory-modified sets (approximately)
Model Serial No. Production
FELCOM 12 7976 and after
DP-6 7658 and after
In April 1999
IB-581
FELCOM 81 Not decided yet
The differences between new and old CPU cards used for the IB-581 are;
Old New
Type Identification Type Identification
CPU Card AR-B1374 With VGA board
piggyback-mounted
AR-B1378 F2 Single board
T. BOARD 16P0141 Less parts 16P0167 More parts
IB-581
CPU card
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