Texas Instruments 880 User Manual page 74

2. Tighten the two securing screws.
3. Attach connector P2 of the interface
cable to the Model 880 Printer serial inter-
face connector.
4. Tighten the two securing screws.
Figure A-1 shows the wiring diagram for this
connection.
A.2.2 Business System 600 and 800
Terminals
Use the following procedure to connect the Model
880 Printer to the Business System 600 or 800
Terminal. The procedure applies to both the 10A
central processing unit (CPU) COMM port and the
CI402 or CI403 communications interface module.
25PIN MALE
RS232
CONNECTOR
1. Attach connector P1 of the interface
cable (TI Part No. 2303080-0001) to the
CPU COMM port at the edge of the 10A
board or to the module
POI L
at the edge of
the Communications Interface Module
board.
2. Attach connector P2 of the interface
cable to the Model 880 Printer serial inter-
face connector.
3. Tighten the two securing screws.
Figure A-2 shows the wiring diagram for this
connection.
25PIN
MALE RS232
CONNECTOR
\
SHELL SHELL \
A-2
1
I
SHIELD
I
1
2 TXD
RXD 3
3 RXD
TXD 2
4 RTS
DCD 8
5 CTS
I
300
S2oo/
931/94
AUX
6 DSR
DTR 20
1
0 7
SIGNAL GROUND
7
8 DCD
RTS 4
I
CTS 5
11 SRTS
SDCD 12
12 SDCD
SRTS 11
15
17
20 DTR DSR
6
24
~~----------~y-----------)
INTERFACE CABLE
(TI Part No. 2230504-0001)
2222627-42
Figure A-1. Business System 200/300 and
931/940 Interface Diagram (AUX1 Port)