User's Manual Part 1

2-23
Figure 2-13 UD-36( ) DS1/E1/DS3/OC3 Single Receiver Controls, Indicators,
Test Points, and Connectors
RED LED INDICATES LOSS OF LOCK
FROM RECEIVE SIGNAL.
YELLOW LED INDICATES DEGRADED
RECEIVE SIGNAL.
GREEN LED INDICATES RCVR IN
SERVICE.
MONITOR POINT TO MEASURE DC CON-
TROL VOLTAGE USED TO CONTROL LO
FREQ. SAME VOLTAGE IS DISPLAYED ON
RX (AFC MON) FIELD ON ANALOG MONITOR
SCREEN.
MONITOR POINT TO MEASURE DC VOL-
TAGE INDICATING QUALITY OF RECEIVE
BASEBAND SIGNALS. SAME
VOLTAGE IS
DISPLAYED ON
RX (EYE MON) FIELD ON
ANALOG MONITOR SCREEN.
MONITOR POINT TO MEASURE DC VOL-
TAGE PROPORTIONAL TO RSL. SAME
VOLTAGE IS DISPLAYED AS DBM ON
RX
(RSL 1) dBm
FIELD ON ANALOG MONITOR
SCREEN.
MONITOR POINT TO MEASURE FREQ
RCVR IS LOCKING
ON (RCVR LOCKS ON
XTAL FREQ OF ASSOCIATED UPSTREAM
XMTR) (BNC, FEMALE).
RF INPUT CONNECTOR
(SMA, FEMALE).
CHAN ALM
EYE
CLOSURE
ON LINE
AFC MON
EYE MON
RSL MON
GND
RECEIVER
XTAL
MON
RF
IN
LMW-3171-sm
06/12/04