CHASSIS
940043-002
INTEGRATED ENTERPRISE NETWORK
2-29
V.24 RS232C
Table 2-9 lists the DB25 pin assignments for a V.24 RS232C physical interface.
Table 2-9 DB25 (V.24 RS232C)
Note:
The CID15H uses pin 24 to provide clocking when set to internal clock. The CID61 and
CID63 port processors provide clock on pin 15 when set to internal clock.
PIN
V.24 RS232C Pin Assignment
Key
1
Frame Ground
FG
2
Transmit Data
TD
3
Receive Data
RD
4
Request To Send
RTS
5
Clear To Send
CTS
6
Data Set Ready
DSR
7
Signal Ground
SG
8
Data Carrier Detect
DCD
9
Pin not used
N/A
10
Pin not used
N/A
11
Pin not used
N/A
12
Pin not used
N/A
13
Pin not used
N/A
14
Pin not used
N/A
15
Transmit Clock
TC
16
Pin not used
N/A
17
Receive Clock
RC
18
Pin not used
N/A
19
Pin not used
N/A
20
Data Terminal Ready
DTR
21
Pin not used
N/A
22
Ring Indicator
RI
23
Pin not used
N/A
24
External Transmit Clock
ETC
25
Pin not used
N/A
Summary of Contents for IEN 1000
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Page 10: ...TABLE OF CONTENTS VI IEN HARDWARE REFERENCE 940043 002 ...
Page 11: ...C H A P T E R 1 Introduction In This Chapter IEN Hardware Reference 1 3 ...
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Page 181: ...C H A P T E R 6 System Configuration In This Chapter IEN 1000 Configuration 6 3 ...
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