RAD Data comm MBE10-1D - Manual (Page 45)

A-1
Appendix A
Pin Assignment
This appendix:
• Provides information about the various interfaces and cable connections
supported by MBE.
Table A-1. Interface Signal List (Female Connectors)
Signal Function Source V.24/
RS-232
DB-25
(Female) V.35*
34-PIN
(Female) EIA-530
DB-25
(Female) V.36/
RS-449**
DB-37
(Female) X.21***
DB-15
(Female) Description
Pin Circuit Pin Circuit Pin Circuit Pin Circuit
Protective
Ground COMMON 1 A Frame
101
1 1 1 --
[SHIELD]
Chassis ground. May
be isolated from Signal
Ground.
Ground
Signal
Ground COMMON 7 B Signal 102
GND 7 AB 19 SG 8 --
[GND]
Common Signal and
DC power supply
ground
Transmitted Data DTE 2 S TD(B) 103
P TD(A) 103 2 BA(A)
14 BA(B) 2 T(A)
9 T(B)
[TRANSMIT]
Serial data output
from unit. The data
transitions must occur
on the rising edge of
the transmit clock.
Data
Received Data DCE 3 R RD(A) 104
T RD(B) 104 6 RD(A)
24 RD(B)
4 R(A)
11 R(B)
[RECEIVE]
Serial data input to the
unit. The data
transitions occur on
the rising edge of the
clock.
Request to Send DTE 4 C RTS 105 4 CA(A)
19 CA(B)
7 RS(A)
25 RS(B) 3 C(A)
10 C(B)
[CONTROL]
ON from the unit
upon completion of
self-test
Clear To Send DCE 5 D CTS 106 5 CB(A)
13 CB(B)
9 CS(A)
27 CS(B) -- Unit expects CTS ON
Data Set Ready DCE 6 E DSR 107 6 CC(A)
22 CC(B)
11 DM(A)
29 DM(B) -- Not used
Data Terminal
Ready DTE 20 H DTR 108 20 CD(A)
23 CD(A)
12 TR(A)
30 TR(B) -- ON when unit is ready
to transmit or receive
data
Control
Carrier Detect DCE 8 F DCD 109 8 CF(A)
10 CF(B)
13 RR(A)
31 RR(B) 5 I(A)
12 I(B)
[INDICATION]
Unit expects DCD ON
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