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APPENDIX D (Continued)
MODEL 2400/A
DB-25 CONNECTOR (RS-232/V.24), TERMINAL INTERFACE
Pin #
Signal
1
Frame Ground
2
TD(Transmit Data)
3
RD (Receive Data)
4
RTS (Request to Send)
5
CTS (Clear to Send)
6
DSR (Data Set Ready)
7
SGND (Signal Ground)
8
CD (Carrier Detect)
9
User Selectable: Supplemental Power Input or
Not Used
15
TC(Transmit Clock)
17
RC (Receive Clock)
18
LL (Local Loop)
21
User Selectable: Supplemental Power Input or
RL (Remote Loop)
24
XTC (External Transmit Clock)
25
TM (Test Mode)
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23