Black Box MT160A Manual page 20

Microcsu/dsu cards, microrack
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Line Rate
These switches control the signaling rate on the line or RJ-48S port of the unit.
They should be set to match the speed of your digital service.
SW1-1
On
On
On
On
Off
Off
Off
Circuit Assurance
The transmitter and the CTS output can be configured to go On only when a
working communication circuit is established. If Circuit Assurance is used, enable
it on only one end of the communication link.
SW1-4
Circuit Assurance
On
Enabled
Off
Disabled
Force RTS
The RTS input can be forced on, ignoring the terminal's RTS signal. RTS controls
the transmitter by either sending the user's data or sending an idle code.
SW1-5
RTS Forced On
Off
Enabled
On
Disabled
SW1-2
SW1-3
On
On
On
Off
Off
On
Off
Off
On
On
On
Off
Off
Off
CHAPTER 4: Configuration
Setting
2.4 Kbps
4.8 Kbps
9.6 Kbps
19.2 Kbps
56 Kbps
64 Kbps
Force configuration
pointer to default to
Hardware Switches
Description
CTS will go low and the transmitter will be
held off if the receiver is in the No Signal
state or CD is low
The transmitter and CTS will operate
without regard to the receiver state
Description
An On (high) condition is transmitted
regardless of the state of this unit's RTS
input
The RTS input controls the transmitter
17

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