User's Manual

ADCP-75-130 • Issue 3C • August 2006
Page 12
© 2006, ADC Telecommunications, Inc.
Table 3. Digital Expansion Unit User Interface
REF
No.
USER INTERFACE
DESIGNATION DEVICE
FUNCTIONAL
DESCRIPTION
1
Grounding stud Used for connecting a grounding cable to
the DEU chassis.
2 POWER 3-wire AC power
cord connector
Used for connecting the AC power cord.
3 I/O I/O rocker switch/
circuit breaker
Provides AC power On/Off control and
AC power over current protection.
4 OK/NOK (Ports 1–6) Multi-colored LED
(Red/Green/Yellow)
Indicates if the DRU or remote DEU
connected to the optical port is normal or
faulty or if the reverse path optical input
from the DRU or remote DEU is normal
or lost. (see Note)
5 ON/OFF (Ports 1–6) I/O rocker switch Enables or disables corresponding
electrical and optical ports.
6 DC PWR (Ports 1–6) RJ-45 jack (female) Used for connecting a DRU cat 3 or 5 power
cable to the designated DC power jack.
7 FIBER (Ports 1–6) LC-type optical
transceiver
Used for connecting each DRU or remote
DEU forward path and reverse path optical
fiber to the designated optical port.
8 HOST PORT LC-type optical
transceiver
Used for connecting the DHU or supporting
DEU forward path and reverse path optical fiber.
9 UNIT Multi-colored LED
(Red/Green/Yellow)
Indicates if the DEU is normal or faulty.
(see Note)
10 HOST PORT Multi-colored LED
(Red/Green/Yellow)
Indicates if the forward path optical input
from the DHU or supporting DEU is
normal or lost. (see Note)
Note: A more detailed description of LED operation is provided in Section 5.
17266-A
(3) AC POWER
ON/OFF SWITCH
(1) GROUNDING
STUD
(4) OPTICAL PORT
LED INDICATOR
(6 PLACES)
(5) OPT/ELEC PORT
ENABLE/DISABLE
SWITCH (6 PLACES)
(9) UNIT LED
INDICATOR
(2) AC POWER CORD
CONNECTOR
(6) ELECTRICAL PORT
DC POWER JACK
(6 PLACES)
(7) OPTICAL PORT
OPTICAL TRANSCEIVER
TX-LEFT - RX-RIGHT
(6 PLACES)
(10) HOST PORT
LED
INDICATOR
(8) HOST PORT
OPTICAL TRANSCEIVER
TX-LEFT - RX-RIGHT
NOTE: SHOWN WITHOUT
CABLE MANAGEMENT TRAY
Figure 7. Digital Expansion Unit User Interface