3-24
Computer Group Literature Center Web Site
Functional Description
3
Figure 3-19. VME761 X.21-DCE configuration port 4
NC
NC
2199 9804
TXD
RTS#
RXD
CTS#
DCD#
TRXC
RTXC
DTR#
LLB#
RLB#
DSR#
RI#
TM#
P2/P2MX
Z85230 SCC
Z8536 CIO
J17
J16
J19
1
2
3
1
2
3
DCE
VME MODULE
DB26
+
-
+
-
RXDB
TXDB
CTRLB
SETB
INDB
+V
GND
RXDA
TXDA
CTRLA
SETA
INDA
15
7
3
2
16
14
14
11
12
17
9
15
MVME761
X.21-DCE SIM
J3
1
2
3
+V
+V
Header J3 2-3
Headers: J16 2-3
J17 1-2
J19 1-2