2031
Turbo
Statistical Multiplexer
154001UA
1-8
The 3028
Turbo (CTS 2031 Turbo)
provides Link Down and Data Loss alarm
signals as TTL (0 to +5V) indications on the Supervisor port.
The Link Down alarm signal is indicated on pin 9 as a 0V level as long as the
datalink between the 3028
Turbo (CTS 2031 Turbo)s
is not
operational. +5V is
provided as long as the datalink between the 3028
Turbo (CTS 2031 Turbo)s
is
operational. Pin 9 is an Open Collector output.
The Data Loss alarm signal is indicated on pin 10 as a 0V level as long as the
data loss LED is illuminated and +5V is provided as long as the data loss LED is
extinguished. Pin 10 is an Open Collector output.
SUPERVISOR
SUPERVISOR
SUPERVISOR
SUPERVISOR
SUPERVISORY
YY
YY
ALARM SIGNALS
ALARM SIGNALS
ALARM SIGNALS
ALARM SIGNALS
ALARM SIGNALS
The 3028
Turbo (CTS 2031 Turbo)
provides a Crypto Reset signal as an RS-232-C
signal indication on the Composite port.
The positive signal for Crypto Reset is provided on pin 11. The negative signal is
provided on pin 12 The Crypto reset pulse is 150ms in duration and occurs every
4, 8, 12 or 16 seconds as selected by jumpers J15 and J16 and the table below.
JP16 JP15
Time Delay
ON
ON
4 Seconds
OFF
ON
8 Seconds
ON
OFF 12 Seconds
OFF
OFF 16 Seconds
150mS
Pin 11
150mS
4, 8, 12 or 16
Seconds
Pin 12
20311-4
The first pulse is sent after the Link Down indication has occured for the length
of time specified by the selection jumpers and continues to occur at the selected
interval until the link is operational once more.
CRYPTO RESET
CRYPTO RESET
CRYPTO RESET
CRYPTO RESET
CRYPTO RESET
SIGNAL
SIGNAL
SIGNAL
SIGNAL
SIGNAL