ADC Telecommunications Inc. DVICSRIU800 Benutzerhandbuch
ADCP-75-114 • Issue C • June 2001
Page 4
©
©
2001, ADC Telecommunications, Inc.
1.8 User
Interface
The
RIU user interface consists of the various connectors, switches, terminals, and LED that
are
provided on the RIU front panel. The RIU user interface points are indicated in Figure 3
and
described in Table 1.
NOTE: SHOWN WITHOUT
CABLE MANAGEMENT TRAY
CABLE MANAGEMENT TRAY
(3) AC POWER CORD
CONNECTOR
(8) ALARM LED
INDICATOR
(9) ALARM
CONNECTOR
(1) ANTENNA
CONNECTOR
CONNECTOR
(5) FORWARD LEVEL
ADJUSTMENT
SWITCHES
(2) AC POWER
ON/OFF SWITCH
(6) FORWARD
RF OUTPUT
CONNECTOR
(7) REVERSE
RF INPUT
CONNECTOR
(4) REVERSE LEVEL
ADJUSTMENT
SWITCHES
16651-A
Figure 3. Remote Interface Unit User Interface
Table 1. Remote Interface Unit User Interface
REF
No.
No.
USER INTERFACE
DESIGNATION
DEVICE
FUNCTIONAL DESCRIPTION
1
ANTENNA
N-type
female RF
coaxial
connector
Used
for connecting the donor antenna
coaxial
cable.
2
I/O
I/O
rocker switch/
circuit
breaker
Provides
AC power On/Off control and AC
power
over current protection.
3
POWER
3-wire
AC power
cord
connector
Used
for connecting the AC power cord.
4
REV
LEVEL ADJ
MSB
LSB
Rotary
switch
Used
to adjust the reverse path RF signal
level
by adding or removing attenuation.
5
FWD
LEVEL ADJ
MSB
LSB
Rotary
switch
Used
to adjust the forward path RF signal
level
by adding or removing attenuation.
6
FORWARD
OUT
N-type
female RF
coaxial
connector
Used
for connecting the RIU to DHU
forward
path coaxial cable.
7
REVERSE
IN
N-type
female RF
coaxial
connector
Used
for connecting the DHU to RIU
reverse
path coaxial cable.
8
ALARMS
Multi-colored
LED
(Red/Green/Yellow)
Indicates
if the RIU is normal or faulty. (see
Section
3 for a detailed description)
9
MINOR
MAJOR Screw-type terminal
connector
(14–26
AWG)
Used
for connecting the RIU to an external
alarm
system. Includes normally open (NO),
normally
closed (NC), and common (COM)
wiring
connections.