ADTRAN 1200218L1, User Manual

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Chapter 2. Installation and Operation
61200663L1-1 OSU 300 User Manual 2-9
REVIEWING THE FRONT PANEL
Figure 2-4 illustrates the OSU 300 front panel. Descriptions of each
front panel item follow Figure 2-4.
Figure 2-4. OSU 300 Front Panel
Control Port
The OSU 300 front panel contains an 8-pin modular jack labeled
CONTROL
. The control port provides connection to a VT-100
EIA-232 compatible interface. Appendix A gives the pinout.
VT-100 Terminal Connection
To control the OSU 300 using a VT-100 terminal, follow this
procedure:
1. Configure the VT-100 terminal for 9600, 19200, 38400, or 57600
baud, 8-bit characters, no parity, and one stop bit (xxxx, 8N1).
STATUS
IN TEST
TD
RD
DTE PORT 4
STATUS
IN TEST
TD
RD
DTE PORT 3
STATUS
IN TEST
TD
RD
DTE PORT 2
STATUS
IN TEST
TD
RD
DTE PORT 1
IN SERVICE
IN TEST
ALARM
LOS
OPTICAL
INTERFACE
CONTROL
REMOTE
ACTIVE
1 2 3 4
OSU 300
ID # Item ID # Item
1 Control Port 4 DTE Port LEDs
2 Remote Active Status
3 Optical Interface LEDs In Test
In Service TD
In Test RD
Alarm
LOS