Section 3 Engineering Guidelines
TRACER 4102/4202 System Manual
28
© 2004 ADTRAN, Inc.
612804202L1-1A
RS-232 Connection (DB-25) — Terminal Use
The
RS-232
connector provides a female DB-25 terminal connection (wired as a DCE interface), which is
used for terminal access to the TRACER 4102/4202 system. The
RS-232
port provides the following
functions:
•
Accepts EIA-232 input from a PC or terminal for controlling the TRACER 4102/4202 system
•
Operates at 9600 bps
Table 2 shows the pinout. Wiring diagrams for connecting to the
RS-232
connector (for various
applications) are provided following the pinout.
Table 1. Rear Panel Description
1
1
Detailed discussions (including pinouts) of rear panel components (where applicable) follow the table.
Name
Connector
Description
A
RS-232
DB-25 (female)
VT100 terminal (or PC with terminal emulation software)
connection
B
Test
1/4” bantam
Factory test connection
C
T1A - T1D
RJ-48C
T1 device connection
D
Alarm
Terminal block
External alarm monitoring system connection
E
DC Power
Terminal block
21-60 VDC power source connection
F
Fuse
N/A
2 A, 250 V, 2 inch slow-blo fuse
G
Antenna
N-Type
Antenna feedline cable connection
H
Ground Lug
N/A
Earth ground connection
Table 2. RS-232 Connection Pinout
PIN
NAME
DESCRIPTION
1, 7
GND
Ground
2
TX
Transmit
3
RX
Receive
4
RTS
Request To Send
5
CTS
Clear To Send
6
DSR
Data Set Ready (Modem Control Only)
8
CD
Carrier Detect
9-19
—
Unused
20
DTR
Data Terminal Ready (Modem Control Only)
21
—
Unused
22
RI
Ring Indicator
23-25
—
Unused
