RICOCHET

SE WIRELESS MODEM

Card Type

Modem (asynchronous)

Chipset

Ricochet

Maximum Data Rate

100Kbps raw data, approx. 28.8Kbps throughput

Data Modulation

Proprietary

Error Correction/Compression

Proprietary

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

Antenna

ANT

DC power in

CN2

Signal strength button

BT1

LCD display

LCD

Serial port via micro-D connector

CN1

Power switch

SW1

Note: A standard DB-25 or Macintosh mini-DIN serial port is provided on included adapter cables.

POWER SWITCH

Setting

SW1

Off

Position 1

On, speaker disabled

Position 2

On, speaker enabled

Position 3

SUPPORTED STANDARD COMMANDS

Basic AT Commands

A, E, H, O, Q, V, W, X

&C, &D, &F, &K, &W

S-Registers

S0, S2, S3, S4, S5, S7

Note: See MHI help file for complete information.

UNIDENTIFIED COMMANDS

Command

Default

S390

Factory use only

S391

Factory use only

S392

Factory use only

S393

Factory use only

Proprietary AT Command Set

ICON STATUS

Format:

AT [cmds] S360=aabbccddeeff [cmds]

Default:

N/A

Range:

000000000000h - 000FFFFFFFFFh (hexadecimal)

Description:

Each pair of letters above indicated a hexadecimal byte pair, corresponding to the bitmap show below. The status of these bits indicate the status of the icons on the modem's LCD display.

Byte

Bit

Value

Function

1

7 - 0

00000000

Not used.

2

1, 0

00

01

10

11

"Message A Waiting" icon is off.

"Message A Waiting" icon is blinking slowly.

"Message A Waiting" icon is blinking quickly.

"Message A Waiting" icon is on.

 

3, 2

00

01

10

11

"Message B Waiting" icon is off.

"Message B Waiting" icon is blinking slowly.

"Message B Waiting" icon is blinking quickly.

"Message B Waiting" icon is on.

 

7 - 4

0000

Not used.

3

0

0

1

Lowest segment of signal strength bar is off.

Lowest segment of signal strength bar is on.

 

1

0

1

Second segment of signal strength bar is off.

Second segment of signal strength bar is on.

 

2

0

1

Third segment of signal strength bar is off.

Third segment of signal strength bar is on.

 

3

0

1

Highest segment of signal strength bar is off.

Highest segment of signal strength bar is on.

 

4

0

1

Signal strength bar segments that are off are not pulsing upwards.

Signal strength bar segments that are off are pulsing upwards.

 

5

0

Not used.

 

7, 6

00

01

10

11

"Registered on Network" icon is off.

"Registered on Network" icon is blinking slowly.

"Registered on Network" icon is blinking quickly.

"Registered on Network" icon is on.

4

0

0

1

Lowest segment of battery level bar is off.

Lowest segment of battery level bar is on.

 

1

0

1

Second segment of battery level bar is off.

Second segment of battery level bar is on.

 

2

0

1

Third segment of battery level bar is off.

Third segment of battery level bar is on.

 

3

0

1

Highest segment of battery level bar is off.

Highest segment of battery level bar is on.

 

4

0

1

Battery level bar segments that are off are not pulsing upwards.

Battery level bar segments that are off are pulsing upwards.

ICON STATUS (CON'T)

Byte

Bit

Value

Function

4

5

0

Not used.

 

7, 6

00

01

10

11

"Power On" icon is off.

"Power On" icon is blinking slowly.

"Power On" icon is blinking quickly.

"Power On" icon is on.

5

1, 0

00

01

10

11

"Handshake" icon is off.

"Handshake" icon is blinking slowly.

"Handshake" icon is blinking quickly.

"Handshake" icon is on.

 

3, 2

00

01

10

11

"Terminal Ready" icon is off.

"Terminal Ready" icon is blinking slowly.

"Terminal Ready" icon is blinking quickly.

"Terminal Ready" icon is on.

 

5, 4

00

01

10

11

"Ring Indicator" icon is off.

"Ring Indicator" icon is blinking slowly.

"Ring Indicator" icon is blinking quickly.

"Ring Indicator" icon is on.

 

7, 6

00

01

10

11

"Radio Acquired" icon is off.

"Radio Acquired" icon is blinking slowly.

"Radio Acquired" icon is blinking quickly.

"Radio Acquired" icon is on.

6

1, 0

00

01

10

11

"Encryption" icon is off.

"Encryption" icon is blinking slowly.

"Encryption" icon is blinking quickly.

"Encryption" icon is on.

 

3, 2

00

01

10

11

"Billing Zone" icon is off.

"Billing Zone" icon is blinking slowly.

"Billing Zone" icon is blinking quickly.

"Billing Zone" icon is on.

 

5, 4

00

01

10

11

"Network Busy" icon is off.

"Network Busy" icon is blinking slowly.

"Network Busy" icon is blinking quickly.

"Network Busy" icon is on.

 

7, 6

00

01

10

11

"Star Mode" icon is off.

"Star Mode" icon is blinking slowly.

"Star Mode" icon is blinking quickly.

"Star Mode" icon is on.

SERIAL PORT STATUS

Format:

AT [cmds] S361? [cmds]

Default:

Read-only

Range:

0 - 31

Description:

Returns a value indicating the status of selected signals on the serial port.

Bit

Value

Function

0

0

1

RI signal is low.

RI signal is high.

1

0

1

DCD signal is low.

DCD signal is high.

2

0

1

CTS signal is low.

CTS signal is high.

3

0

1

DSR signal is low.

DSR signal is high.

4

0

1

RTS signal is low.

RTS signal is high.

5

0

Not used.

6

0

1

Modem is not in bridge mode.

Modem is in bridge mode.

7

N/A

The function of this bit is unidentified.

SLEEP MODE

Type:

Register

Format:

AT [cmds] S327=n [cmds]

Description:

Selects what criteria must be true for the modem to disconnect from the network and enter low-power sleep mode.

Command

Function

í S327=0

Low-power sleep mode disabled.

S327=1

Low-power sleep mode enabled; exit sleep mode if data is received.

S327=2

Low-power sleep mode enabled; exit sleep mode if DTR or RTS signals change state.

S327=3

Low-power sleep mode enabled; exit sleep mode if data is received or if DTR or RTS signals change state.

S327=4

Light dozing mode enabled.

Proprietary AT Command Set

See RICOCHET ORIGINAL WIRELESS MODEM for a full command summary.