2450 modem/telephone/ISDN Settings and Configuration

PATTON ELECTRONICS COMPANY

2450

Card Type
CSU/DSU
Chip Set
Unidentified
I/O Options
Power, DTE/DCE serial port, network interface via RJ-48 connector
Maximum Data Rate
64Kbps
Data Bus
External

CONNECTIONS
Function
Label
Function
Label
Power connector
CN1
Network interface via RJ-48 connector
CN3
DTE/DCE port (quick connect module)
CN2

Note: Quick connect serial interface module can be configured as a V.24/RS-232, V.35, RS422/530, or X.21 port.

USER CONFIGURABLE SETTINGS
Setting
Label
Position
»
Circuit assurance disabled. Transmitter and CTS will operate independent of receiver state
S1/3
Off

Circuit assurance enabled. CTS will go low and the transmitter will be held off if the receiver is in the No signal state or CD is low
S1/3
On
»
RTS forced high
S1/4
On

RTS follows DTE signal
S1/4
Off
»
56Kbps mode
S1/5
Off

64Kbps mode
S1/5
On
»
Front panel switches enabled
S1/6
Off

Front panel switches disabled
S1/6
On
»
Modem ignores loopback requests from DTE
S1/7
On

Modem responds to local analog loopback requests from DTE
S1/7
Off
»
Modem ignores loopback requests from remote
S1/8
On

Modem responds to loopback requests from remote
S1/8
Off

TRANSMIT CLOCK SOURCE
Source
S1/1
S1/2
»
Transmit clock derived from receive line signal. Dedicated DDS operation
Off
On

Transmit clock derived from receive line signal. Allows remote device to initiate loopback.
On
On

Transmit clock generated internally
Off
Off

Transmit clock derived from terminal interface
On
Off

LOOPBACK TEST SELECTOR
Function
Label
Position
Remote digital loopback initiated
SW4
1
Normal operation. Loopback not activated
SW4
2
Activates local analog loopback
SW4
3

TEST PATTERN GENERATOR
Function
Label
Position
511/E test pattern transmitted (intentional errors inserted)
SW5
1
Normal operation. Test pattern not activated
SW5
2
511 test pattern transmitted
SW5
3

DIAGNOSTIC LED(S)
LED
Color
Status
Condition
TD
Red
On
Data is being transmitted (low logic level, device idle)
TD
Green
On
Data is being transmitted (high logic level)
TD
None
Off
Data is not being transmitted
RD
Red
On
Data is being received (low logic level, device idle)
RD
Green
On
Data is being received (high logic level)
RD
None
Off
Data is not being received
CD
Green
On
Carrier signal detected
CD
Red
On
Carrier signal not detected
NS
Red
On
No valid carrier
NS
Red
Off
Valid signal detected from remote modem or digital service provider
ER
Red
On
Bit error likely in received signal or error detected in the test pattern
ER
Red
Off
Error not detected
TM
Red
On
Device has been placed in test mode by local or remote user
TM
Red
Off
Device is not conducting a test

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Card Type	CSU/DSU
Chip Set	Unidentified
I/O Options	Power, DTE/DCE serial port, network interface via RJ-48 connector
Maximum Data Rate	64Kbps
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
Power connector	CN1	Network interface via RJ-48 connector	CN3
DTE/DCE port (quick connect module)	CN2
Note: Quick connect serial interface module can be configured as a V.24/RS-232, V.35, RS422/530, or X.21 port.

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Circuit assurance disabled. Transmitter and CTS will operate independent of receiver state	S1/3	Off
	Circuit assurance enabled. CTS will go low and the transmitter will be held off if the receiver is in the No signal state or CD is low	S1/3	On
»	RTS forced high	S1/4	On
	RTS follows DTE signal	S1/4	Off
»	56Kbps mode	S1/5	Off
	64Kbps mode	S1/5	On
»	Front panel switches enabled	S1/6	Off
	Front panel switches disabled	S1/6	On
»	Modem ignores loopback requests from DTE	S1/7	On
	Modem responds to local analog loopback requests from DTE	S1/7	Off
»	Modem ignores loopback requests from remote	S1/8	On
	Modem responds to loopback requests from remote	S1/8	Off

TRANSMIT CLOCK SOURCE
Source		S1/1	S1/2
»	Transmit clock derived from receive line signal. Dedicated DDS operation	Off	On
	Transmit clock derived from receive line signal. Allows remote device to initiate loopback.	On	On
	Transmit clock generated internally	Off	Off
	Transmit clock derived from terminal interface	On	Off

LOOPBACK TEST SELECTOR
Function	Label	Position
Remote digital loopback initiated	SW4	1
Normal operation. Loopback not activated	SW4	2
Activates local analog loopback	SW4	3

TEST PATTERN GENERATOR
Function	Label	Position
511/E test pattern transmitted (intentional errors inserted)	SW5	1
Normal operation. Test pattern not activated	SW5	2
511 test pattern transmitted	SW5	3

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TD	Red	On	Data is being transmitted (low logic level, device idle)
TD	Green	On	Data is being transmitted (high logic level)
TD	None	Off	Data is not being transmitted
RD	Red	On	Data is being received (low logic level, device idle)
RD	Green	On	Data is being received (high logic level)
RD	None	Off	Data is not being received
CD	Green	On	Carrier signal detected
CD	Red	On	Carrier signal not detected
NS	Red	On	No valid carrier
NS	Red	Off	Valid signal detected from remote modem or digital service provider
ER	Red	On	Bit error likely in received signal or error detected in the test pattern
ER	Red	Off	Error not detected
TM	Red	On	Device has been placed in test mode by local or remote user
TM	Red	Off	Device is not conducting a test