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10:2.0 BSCA/SDLC CARD STRAPPING
BSCA Card
Location A-A2L2
A
B
• • •
E
F
• • •
A-A2L2 strapping is done to agree with customer
facilities:
A
Required (provides ring indicate)
B
Not used
C
Not continuous carrier
o
Continuous carrier
E
Required (EIA standby)
F
Not used
Note: If continuous carrier is required with SNBU
(switched network backup), attach a jumper from
M2G02 to T2B09 on the B-A 1 board.
C
D
• • •
SOLC Card
Location 1 A-A2L2
D
C
E
F
• • •
•
• •
•
B
•
A
•
1 A-A2L2 strapping is done to agree with customer
faci liti es:
A
Not continuous carrier
B
Continuous carrier (note 1)
C
NRZI (note 2)
o
Not NRZI (note 2)
E
Not used
F
Required (interrupt status request)
G
Required (device address)
H
Not used
Notes:
1. If continuous carrier is required with SNBU
(switched network backup), attach a jumper
from M2G02 to T2B09 on the B-A 1 board.
2. All data terminal equipment communicating with
each other must select the same coding option
(NRZI or not NRZI). Contact your IBM
marketing representative for identification of
those modems which have pattern sensitive
synchronization problems and to determine
which coding option should be used_
G
H
•
• •
Data Communications
10-3
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