User Manual

ADCP-75-192 • Issue 1 • December 2005 • Section 2: Description
Page 2-23
 2005, ADC Telecommunications, Inc.
(8) RS -232
CONNECTOR
(1) GPS IN
(7) 1 HZ LED
(2) GPS
AUXILLARY
(5) POWER LED
(3) CLOCK
TES T POINTS
(4) FAULT LED
(6) P LL LO CK LE D
Figure 2-20. Hub Reference Module Front Panel
Table 2-14. HRM Front Panel User Interface
REF
No.
USER INTERFACE
DESIGNATION
DEVICE FUNCTIONAL DESCRIPTION
1 GPS Input Connector SMA connector Input of GPS antenna signal.
2 GPS Auxiliary SMA connector Auxiliary GPS output for daisy-chaining.
3 Clock Test Points SMA connectors Used for testing of reference clocks
4 Fault LED Single-colored LED
(Red)
Status indicator turns red when module has
failed.
5 Power LED Single-colored LED
(Green)
Status indicator turns green when module
has power.
6 PLL Lock Single-colored LED
(Yellow)
Status indicator turns yellow when phase
lock loop circuit is locked
7 1 Hz LED Single-colored LED
(Yellow)
Status indicator toggles at the rate of 1 PPS
when 1 Hz signal detected
8 GPS RS-232 DB9 connector GPS comms to STF2 module
(8) 12 VDC
IN P U T
(1) CLOCK OUT
(6) 1 HZ LED (4) I2C CONNECTORS
(2) POWER LED (3) FAULT LED
(7) P LL LOCK LED
(5) 9.6 MHz
CONNECTORS
Figure 2-21. Hub Reference Module Rear Panel