User's Manual Part 1

ADCP-75-187 • Preliminary Issue 1B • November 2005 • Section 2: DESCRIPTION
Page 2-8
© 2005, ADC Telecommunications, Inc.
Figure 2-3. Front Access Host Unit User Interface
Table 2-2. Host Unit User Interface
REF
NO
USER INTERFACE
DESIGNATION
DEVICE
FUNCTIONAL
DESCRIPTION
1 I/0 On/Off rocker switch Provides DC power on/off control.
2 FWD SC connector
(single-mode)
Output connection point for the forward path
optical fiber.
3 REV SC connector
(single-mode)
Input connection point for the reverse path pri-
mary optical fiber.
4 POWER Multi-colored LED
(green/yellow)
Indicates if the HU is powered (green) or unpow-
ered (off). See Note.
5 STANDBY Multi-colored LED
(green/yellow/red)
Indicates if the system is in the Normal (off),
Standby (blinking green), Test (blinking red), or
Program Load (blinking yellow) state. See Note.
6 HOST UNIT Multi-colored LED
(green/yellow/red)
Indicates if the HU is normal (green), overheated
(yellow), or faulty (red). See Note.
7 REMOTE UNIT Multi-colored LED
(green/yellow/red)
Indicates if no alarms (green), a minor alarm
(yellow), or a major alarm (red) is reported by the
RU. See Note.
8 DRIVE Multi-colored LED
(green/yellow/red)
Indicates if the level of the RF input signal to the
HU is normal (green), low (yellow), or high
(red). See Note.
9 FWD/REV Multi-colored LED
(green/red)
Indicates if the reverse path optical signals from
the STM are normal (green), if no signals are
detected (red), or if excessive errors are detected
(red). See Note.
10 SERVICE DB-9 connector
(female)
Connection point for the RS-232 service inter-
face cable.
11 AUXILIARY DB-9 connector
(female)
Not used with SCS systems.
(1) DC POWER
ON/OFF SWITCH
NOTE: SHOWN WITHOUT
CABLE MANAGEMENT TRAY
(2) PORT 1
OR FWD
CONNECTOR
(3) PORT 2
OR REV
CONNECTOR
(REFERENCE
ITEMS 4 - 9)
LED INDICATORS
(10) SERVICE
INTERFACE
CONNECTOR
(12) NET IN
CONNECTOR
(13) NET OUT
CONNECTOR
(14) ALARM
OUTPUT
CONNECTOR
(15) REVERSE
RF OUT
(16) FORWARD
RF IN
20667-A
(11) AUXILIARY INTERFACE
CONNECTOR
(NOT USED FOR SCS)