ADTRAN 1200218L1, User Manual

Page: 28 / 122

Chapter 2. Installation and Operation
2-4 OSU 300 User Manual 61200663L1-1
Figure 2-1. OSU 300 Rear Panel Description
Figure 2-2. Moving the Optical Interface Door
DTE PORT 4 DTE PORT 3 DTE PORT 2 DTE PORT 1
NC COM NO ALARM
LAN
+
-
24-48 VDC
RX IN TX OUT
OPTICAL INTERFACE
1
2
3
4
5
6
7
8
9
Laser Radiation
Avoid Exposure to Beam
Laser Class 1 Product
Complies with 21 CFR
ID #
Item Function
1 Nylon Plug Provides strain relief on the input power cable.
2 DC Terminal Block Attaches to input power cable for supplying power to the
unit.
3 DTE Ports 2-4 Interface expansion slots (with covers in place).
4 DTE Port 1 Integral HSSI interface.
5 Alarm Connector NC/COM/NO relay contacts.
6 LAN 10BaseT LAN connection.
7 Optical Interface Door Provides protection from laser beam.
8 Optical Interface DS3 service connection.
9 Removable Dust
Cover Protects unit from dust. Remove to use the Optical
Interface.
RX IN TX OUT
OPTICAL INTERFACE
Slide this
door up and down
to access the
Optical Interface.
Dust cover in place.
Laser Radiation
Avoid Exposure to Beam
Laser Class 1 Product
Complies with 21 CFR