Intermec EasyCoder 501 - Connector Confi Guration

Intermec EasyCoder 501 – Service Manual Ed. 7
168
Chapter 21 RS-422/485 Interface Board
21.2 Straps, cont.
"uart2:" is a DB-25pin female connector.
"uart3:" is a DB-25pin male connector.
The mounting holes are connected to chassis ground.
21.3 Connector Confi g-
uration
STRAP: S1 S2 S3 S4 S5
Address 0 - - - - -
Address 1 - - - - X
Address 2 - - - X -
Address 3 - - - X X
Address 4 - - X - -
Address 5 - - X - X
Address 6 - - X X -
Address 7 - - X X X
Address 8 - X - - -
Address 9 - X - - X
Address 10 - X - X -
Address 11 - X - X X
Address 12 - X X - -
Address 13 - X X - X
Address 14 - X X X -
Address 15 - X X X X
STRAP: S1 S2 S3 S4 S5
Address 16 X - - - -
Address 17 X - - - X
Address 18 X - - X -
Address 19 X - - X X
Address 20 X - X - -
Address 21 X - X - X
Address 22 X - X X -
Address 23 X - X X X
Address 24 X X - - -
Address 25 X X - - X
Address 26 X X - X -
Address 27 X X - X X
Address 28 X X X - -
Address 29 X X X - X
Address 30 X X X X -
Address 31 X X X X X
X=Strap, – = no strap. Address 0 is normally used for the host.
Address Straps (P-7):
Pin "uart3:" Remarks
1 GNDC Chassis ground
2 TXDB Transmitted data from printer
3 RXDB Received data to printer
4 RTSB RTS from printer
5 CTSB CTS to printer
6 DSRB DSR to printer
7 GNDI Signal ground
8 –
9 –
10 –
11 –
12 –
13 –
14 –
15 –
16 +5VEXT + 5V 200 mA, if strap on P6
17 –
18 –
19 –
20 DTRB DTR permanently high
21 –
22 –
23 –
24 –
25 –
Pin "uart2:" Remark
s
1 GNDC Chassis ground
2 –
3 –
4 –
5 –
6 –
7 GNDE Interface ground
8 –
9 –
10 –
11 –
12 –
13 –
14 –
15 +RS422 IN RS-422 only
16 –
17 -RS422 IN RS-422 only
18 –
19 +RS422 OUT RS-422/485
20 –
21 -RS422 OUT RS-422/485
22 –
23 –
24 –
25 –