User Manual

ADCP-75-179 Preliminary Issue A September 2004 Section 2: Description
Page 2-12
© 2004, ADC Telecommunications, Inc.
Table 2-2. Typical Spectrum Transport Module User Interface
REF
NO
USER INTERFACE
DESIGNATION
DEVICE
FUNCTIONAL
DESCRIPTION
1FWD
(PORT 1)
SC connector
(single-mode)
Input connection point for the forward path opti-
cal fiber.
2REV
(PORT 2)
SC connector
(single-mode)
Output connection point for the reverse path pri-
mary optical fiber.
3 I/0 On/Off rocker
switch
Provides AC power on/off control.
4 No designation 3-wire AC power
cord connector
Connection point for the AC power cord.
5 No designation 2- wire DC power
cord connector
Connection point for the back-up battery power
cord.
6 AUXILIARY DB-9 connector
(female)
Connection point for the RS-232 auxiliary com-
munications interface cable.
7 SERVICE DB-9 connector
(female)
Connection point for the RS-232 service inter-
face cable.
8 AC POWER Multi-colored LED
(green/red)
Indicates if the STM is powered by the AC power
source (green) or the back-up battery system
(red). See Note.
9 STANDBY Multi-colored LED
(green/yellow/red)
Indicates if the system is in the Normal state (off)
Standby state (blinking green), Test state (blink-
ing red), or Program Load state (blinking yel-
low). See Note.
10 HOST 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
HU. See Note.
11 STM Multi-colored LED
(green/yellow/red)
Indicates if the STM is normal (green) or faulty
(red). See Note.
12 PA Multi-colored LED
(green/yellow/red)
Indicates if the power amplifier is normal
(green), over temperature (yellow), has a fan fail-
ure (yellow), is turned off (red), or faulty (red).
See Note.
13 VSWR Multi-colored LED
(green/yellow/red)
Indicates if the forward path VSWR is above
(red) or below (green) the fault threshold.
14 FWD/REV
(PORT 1/PORT 2)
Multi-colored LED
(green/red)
Indicates if the forward path optical signal from
the HU are normal (green), if no signal is
detected (red), or errors are detected (red). See
Note.
15 ALARM IN MINOR
ALARM IN MAJOR
Screw-type terminal
connector (14–26
AWG)
Connection point for two external alarm inputs.
The door-open switch lead wires are typically
connected to the major alarm terminals.
16 ANTENNA N-type female RF
coaxial connector
Connection point for the antenna.
Note: A more detailed description of LED operation is provided in Section 4.

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