Wang 5536 - Page 39

3402
•
The pin assignments of the signals are as
follows:
Pin
EIA Source Si nal Descri tion
1
*
AA
Protective Ground
2
*
BA
w. s. Transmitted Data
3
*
BB
modem
Received Data
4
*
CA
w.s. Request to Send
5
*
CB
modem
Clear to Send
6
*
cc modem
Data Set Ready
7
*
AB
Signal Ground
8
*
CF
modem Received Line
9 Signal Detector
10
*
11
*
SCA w.s.
Secondary Request to Send
12
*
SCF modem Secondary Received Line
Signal
Detector
13 SCB
modem
Secondary Clear to
Send
14
SBA
w. s. Secondary Transmit Data
15
*
DB
modem
Transmit Signal Element
Timing
16 SBB
modem
Secondary Receive~ Data
17
*
DD
modem Receiver Signal Element
Timing
18
w. s. Select Frequency Groups
•
19 SCA w. s. Secondary Request to Send
20
*
CD
w. s.
Data Terminal Ready
21
CG modem Signal Quality Detector
22 CE
modem Ring Indicator
23
CH/C WS. /modem Data Signalling
Rate
Selector
24
DI w. s.
Transmit Signal Element
Timing
25
Unassigned
* Denotes
signals
used by the
TC workstation
•
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