C ) M O T O R O L A
HARDWARE PREPARATION
EXAMPLES:
a. T o configure s e r i a l p o r t 8 f o r DCE modem i n t e r f a c e w i t h a s t a n d a r d ,
f u l l duplex cable ( i n c l u d i n g a l l handshakes), Ta b l e 2-1 i n d i c a t e s t h a t
the J12 header w i l l r e q u i r e jumpering, according t o t h e "Connect t o
Modem" jumpering t a b l e ( r e f e r t o Table 2 - 2 ) .
b. T o configure s e r i a l p o r t 5 f o r DTE terminal i n t e r f a c e w i t h s t a n d a r d ,
f u l l d u p l e x c a b l i n g ( i n c l u d i n g a l l handshakes), Ta b l e 2-1 i n d i c a t e s
that t h e J13 header w i l l r e q u i r e jumpering according t o t h e "Connect
to Terminal" jumpering t a b l e ( r e f e r t o Table 2 - 3 ) . Some terminals may
not r e q u i r e t h e DCD s i g n a l ; t h e r e f o r e , t h e j u m p e r a t 11 - 1 2 m a y b e
omitted.
TABLE 2-2. " C o n n e c t t o Modem" Configuration
Jumper P a i r
Functional Description When Connected
1 - 2
3 - 4
connects MVME332
connects MVME332
5 6
c
o
n
n
e
c
t
s
MVME332
7 8
c
o
n
n
e
c
t
s
MVME332
9 1 0
c
o
n
n
e
c
t
s
MVME332
11 1 2
c
o
n
n
e
c
t
s
MVME332
13 - 14
n
o
f u n c t i o n
15 - 16
c
o
n
n
e
c
t
s
MVME332 signal GND t o DB25 signal
GND, p i n 7 (NOTE)
17 - 18
c
o
n
n
e
c
t
s
MVME710 f r o n t panel, which i s chassis
GND, t o DB25 p i n 1 (NOTE)
RxD t o DB25 RxD, p i n 3
TxD t o DB25 TxD, p i n 2
CTS t o DB25 CTS, p i n 5
RTS t o DB25 RTS, p i n 4
DTR t o DB25 DTR, p i n 20
DCD t o DB25 DCD, p i n 8
NOTE: T h e s e connections are a c t u a l l y made by traces on t h e MVME710 c i r c u i t
board, regardless o f jumper i n s t a l l a t i o n a t t h i s l o c a t i o n . I f the user
wishes t o break e i t h e r o f these connections, t h e associated t r a c e m a y
be c u t between t h e header pins ( r e f e r t o t h e f o l l o w i n g example).
7
