Telect BCS II, User Manual

Page: 7 / 24

BCS II Simplex Repeater User Manual 1 Descriptions
117209-1 A0
1-3
STS-1 Input
Data Rate: 51.84 Mb/s + 100 ppm
Data Format: Bipolar with B3ZS coding
Jitter Tolerance: Meets Telcordia GR-499-CORE, Issue 1, December,
1995 requirements
Equalization: Selectable normal or high sensitivity receive equaliza-
tion, based on receive cable length
STS-1 Output
Data Rate: Same as input signal, transmit clock is recovered from in-
put signal
Data Format: Bipolar with B3ZS coding
Pulse Shape: Complies with Telcordia GR-CORE-253
LBO: Selectable DSX Level or STS-1 High Output
Alarms
Relay contacts rated for 2 amps maximum.
ALARM OUTPUTS, LEDs CONDITION
RCV LED GREEN / XMIT
LED GREEN / ALARM CON-
TACTS OPEN NORMAL: VALID INPUT SIGNAL
RCV LED RED / XMIT LED
AMBER / MAJ ALARM CON-
TACT CLOSED LOSS OF VALID INPUT SIGNAL /
ALL ONES SIGNAL AUTOMATI-
CALLY TRANSMITTED
XMIT LED RED / MAJ
ALARM CONTACT CLOSED TRANSMITTER FAILURE
ALL FRONT PANEL LEDS
OFF / PWR FAIL ALARM
CONTACT CLOSED FAILURE OF INTERNAL POWER
CONVERTER OR LOSS OF
BOTH BATTERY INPUTS