XIRCOM, INC.
PS-CEM-28B2/PS-CEM-28BC/PS-CEM-28BT
Card Type | Fax, Modem (synchronous/asynchronous), Network Interface Card |
Chip Set | Unidentified |
Cache | 64KB |
Network Transfer Rate | 10Mbps |
Maximum Modem Rate | 28.8Kbps |
Maximum Fax Rate | 14.4Kbps |
Data Bus | PCMCIA Type II |
Fax Class | Class I & II |
Data Modulation Protocol | AT&T V.32terbo Bell 103A/212A ITU-T V.22, V.22bis, V.23, V.32, V.32bis, V.34 |
Fax Modulation Protocol | ITU-T V.17, V.27ter, V.29 |
Error Correction/Compression | MNP5, V.42bis |
Topology | Linear Bus, Star |
Wiring Type | Unshielded twisted pair(PS-CEM-28BC, PS-CEM-28BT) RG-58A/U 50ohm coaxial(PS-CEM-28B2, PS-CEM-28BC) |
Boot ROM | Not available |
V1804/N1435
Proprietary AT Command Set
AUTO-RELIABLE FALLBACK CHARACTER | |
Type: | Configuration |
Format: | AT [cmds] %An [cmds] |
Default: | 13 |
Range: | 0-127 |
Unit: | ASCII |
Description: | Sets the character used as the auto-reliable fallback character. %A0 will disable this function. |
AUTO FALLBACK | |
Type: | Configuration |
Format: | AT [cmds] %Gn [cmds] |
Description: | Selects auto fallback |
Command | Function |
í %G0 | Fallback disabled |
%G1 | Fallback enabled |
AUTO-RELIABLE TIME BUFFER | |
Type: | Configuration |
Format: | AT [cmds] \Cn [cmds] |
Description: | Controls the handling of incoming data during auto-reliable time period |
Command | Function |
í \CO | Data is discarded |
\C1 | Data is buffered for 4 seconds or 200 characters |
\C2 | Data is discarded, sets to normal mode and switches to normal mode when &An received |
AUTO-RETRAIN | |
Type: | Configuration |
Format: | AT %En |
Description: | Selects auto-retrain mode |
Command | Function |
%E0 | Auto-retrain disabled |
í %E1 | Auto-retrain enabled |
BLACKLIST | |
Type: | Read only |
Format: | AT [cmds] S140? [cmds] |
Description: | Contains the maximum number of call attempts before number is blacklisted |
BREAK SEND | |
Type: | Configuration |
Format: | AT [cmds] \Bn [cmds] |
Default: | 3 |
Range: | 1-9 |
Unit: | .1 second |
Description: | Sends break to modem |
BREAK TYPE | ||||
Type: | Configuration | |||
Format: | AT [cmds] \Kn [cmds] | |||
Description: | Configures action of break signal | |||
Command | Break from DTE | Modem receives \B | Break received from remote modem | |
\K0 | Online command mode enabled, send no break to remote modem | Break sent to remote modem and buffers cleared | Buffers cleared, break sent to DTE | |
\K1 | Break sent to remote modem and buffers cleared | Break sent to remote modem and buffers cleared | Buffers cleared, break sent to DTE | |
\K2 | Online command mode enabled, send no break to remote modem | Send break to remote modem immediately | Break sent immediately to DTE | |
\K3 | Send break to remote modem immediately | Send break to remote modem immediately | Break sent immediately to DTE | |
\K4 | Online command mode enabled, send no break to remote modem | Send break with transmitted data | Break sent with received data to the DTE | |
í \K5 | Send break with transmitted data | Send break with transmitted data | Break sent with received data to the DTE |
CALLING TONE | |
Type: | Configuration |
Format: | AT [cmds] -Cn [cmds] |
Description: | Controls whether the DTE will allow the modem to send a calling tone |
Command | Function |
í -C0 | Disable calling tone |
-C1 | Enable calling tone |
COMPRESSION | |
Type: | Configuration |
Format: | AT %Cn |
Description: | Selects MNP 5 data compression |
Command | Function |
%C0 | Data compression disabled |
í %C1 | Data compression enabled |
CONNECT MODE | |
Type: | Configuration |
Format: | AT [cmds] \Nn [cmds] |
Description: | Sets connect mode |
Command | Function |
\N0 | Normal mode enabled |
\N2 | Auto-reliable MNP mode enabled |
í \N3 | Auto-reliable V.42 mode enabled |
\N4 | Reliable mode enabled |
CONVERT TO MNP MODE | |
Type: | Configuration |
Format: | AT [cmds] \Z [cmds] |
Description: | Switches to normal mode from MNP mode |
CONVERT TO RELIABLE MODE | |
Type: | Configuration |
Format: | AT [cmds] \Y [cmds] |
Description: | Initiates reliable MNP5 mode link |
COUNTRY CODES | ||
Type: | Configuration | |
Format: | AT [cmds] S133=n [cmds] | |
Description: | Selects country specific operating configuration | |
Command | Function | |
í S133=0 | USA | |
S133=1 | United Kingdom | |
S133=2 | Germany | |
S133=3 | France | |
S133=4 | Belgium | |
S133=5 | The Netherlands |
COUNTRY CODES (CONTINUED) | |
S133=6 | Italy |
S133=7 | Spain |
S133=8 | Austria |
S133=9 | Switzerland |
S133=10 | Portugal |
S133=11 | Sweden |
S133=12 | Norway |
S133=13 | Denmark |
S133=14 | Finland |
S133=15 | Cyprus |
S133=16 | Czechoslovakia |
S133=17 | Greece |
S133=18 | Hungary |
S133=19 | Poland |
S133=20 | Russia |
S133=21 | Turkey |
S133=22 | Luxembourg |
S133=23 | Iceland |
S133=25 | Egypt |
S133=26 | India |
S133=27 | Kenya |
S133=28 | South Africa |
S133=29 | Morocco |
S133=48 | Abu Dhabi |
S133=49 | Australia |
S133=50 | Bangladesh |
S133=51 | China |
S133=52 | Hong Kong |
S133=53 | Indonesia |
S133=54 | Japan |
S133=55 | Korea |
S133=56 | Malaysia |
S133=57 | New Zealand |
S133=58 | Philippines |
S133=59 | Singapore |
S133=96 | Argentina |
S133=97 | Bolivia |
S133=98 | Brazil |
S133=99 | Chile |
S133=100 | Columbia |
S133=101 | Costa Rica |
S133=102 | Guatemala |
S133=103 | Mexico |
S133=104 | Nicaragua |
S133=105 | Paraguay |
S133=106 | Peru |
S133=107 | Uruguay |
COUNTRY CODES (CONTINUED) | |
S133=108 | Venezuela |
S133=128 | Kuwait |
S133=129 | Oman |
S133=130 | Saudi Arabia |
CREDIT CARD BONG TONE | ||
Type: | Configuration | |
Format: | AT [cmds] S121=n [cmds] | |
Description: | Selects credit card bong tone | |
Command | Function | |
S121=0 | AT&T | |
S121=1 | MCI |
DISPLAY CONNECT SPEED | ||
Type: | Read only | |
Format: | AT [cmds] S37=n [cmds] | |
Description: | Displays current DCE speed | |
Command | Function | |
S37=5 | 1200bps | |
S37=6 | 2400bps | |
S37=7 | 4800bps | |
S37=8 | 7200bps | |
S37=9 | 9600bps | |
S37=10 | 12.0Kbps | |
S37=11 | 14.4Kbps | |
S37=12 | 19.2Kbps | |
S37=15 | 28.8Kbps | |
S37=26 | 16.8Kbps | |
S37=29 | 24.0Kbps | |
S37=33 | 21.6Kbps | |
S37=34 | 26.4Kbps |
ERRONEOUS CALL RETRY | |
Type: | Read only |
Format: | AT [cmds] S145? [cmds] |
Description: | Contains value for erroneous call retry |
ERRONEOUS CALL DELAY | |
Type: | Read only |
Format: | AT [cmds] S146? [cmds] |
Description: | Contains value for erroneous call delay |
FAST RETRY | |
Type: | Read only |
Format: | AT [cmds] S141? [cmds] |
Description: | Enable/disable status for fast retry for trouble calls |
FEATURE NEGOTIATION | ||
Type: | Configuration | |
Format: | AT [cmds] S48=n [cmds] | |
Description: | Controls feature negotiation with remote modem | |
Command | Function | |
S48=0 | No negotiation | |
S48=7 | Feature negotiation enabled | |
S48=128 | Feature negotiation disabled |
FLOW CONTROL | |
Type: | Configuration |
Format: | AT [cmds] \Gn [cmds] |
Description: | Selects modem port flow control |
Command | Function |
í \G0 | Flow control disabled |
\G1 | Flow control enabled |
FLOW CONTROL TYPE | |
Type: | Configuration |
Format: | AT [cmds] \Qn [cmds] |
Description: | Sets type of flow control used by modem |
Command | Function |
\Q0 | Flow control disabled |
\Q1 | XON/XOFF flow control enabled |
\Q2 | Unidirectional hardware flow control enabled |
í \Q3 | Bidirectional hardware flow control enabled |
FLOW CONTROL TYPE | |
Type: | Configuration |
Format: | AT [cmds] &Kn [cmds] |
Description: | Sets type of flow control used by modem |
Command | Function |
&K0 | Local flow control disabled |
&K1 | Not used |
&K2 | Not used |
í &K3 | CTS/RTS flow control enabled |
&K4 | XON/XOFF flow control enabled |
HELP SCREEN BORDER | ||
Type: | Configuration | |
Format: | AT [cmds] S120=n [cmds] | |
Description: | Selects help screen display option | |
Command | Function | |
S120=0 | Surround help screen text with ASCII character border | |
S120=1 | Do not surround help screen text with ASCII character border |
INACTIVITY TIMER | |
Type: | Register |
Format: | AT [cmds] \Tn [cmds] |
Default: | 0 |
Range: | 0-90 |
Unit: | 1 minute |
Description: | Sets the length of time that the modem does not receive information before it disconnects |
INEFFECTIVE CALL DELAY | |
Type: | Read only |
Format: | AT [cmds] S144? [cmds] |
Description: | Contains value for ineffective call delay |
INEFFECTIVE CALL RETRY | |
Type: | Read only |
Format: | AT [cmds] S143? [cmds] |
Description: | Contains value for ineffective call fast retry |
INITIATE MNP RELIABLE MODE | |
Type: | Immediate |
Format: | AT [cmds] \O [cmds] |
Description: | Initiates MNP reliable mode from normal or direct mode |
INTERNATIONAL USAGE | ||
Type: | Configuration | |
Format: | AT [cmds] %TEn [cmds] | |
Description: | Controls country specific settings | |
Command | Function | |
í %TE=0 | International usage disabled | |
%TE=1 | S register 133 enabled |
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
Type: | Configuration |
Format: | AT [cmds] \An [cmds] |
Description: | Sets the maximum transmittable block size |
Command | Function |
\A0 | MNP block size is 64 characters |
\A1 | MNP block size is 128 characters |
\A2 | MNP block size is 192 characters |
í \A3 | MNP block size is 256 characters |
PSEUDO DTE SPEED | ||
Type: | Configuration | |
Format: | AT [cmds] S122=n [cmds] | |
Description: | Sets DTE speed used by CONNECT message. Has not effect on modem operation | |
Command | Function | |
S122=0 | CONNECT | |
S122=1 | CONNECT 1200 | |
S122=2 | CONNECT 2400 | |
S122=3 | CONNECT 4800 | |
S122=4 | CONNECT 7200 | |
S122=5 | CONNECT 9600 | |
S122=6 | CONNECT 12000 | |
S122=7 | CONNECT 14400 | |
S122=8 | CONNECT 16800 | |
S122=9 | CONNECT19200 | |
S122=10 | CONNECT 21600 | |
S122=11 | CONNECT 24000 | |
S122=12 | CONNECT 26400 | |
S122=13 | CONNECT 28800 | |
S122=14 | CONNECT 38400 | |
S122=15 | CONNECT 57600 | |
S122=16 | CONNECT 115200 | |
S122=17 | CONNECT 230400 |
RESULT CODES | |
Type: | Configuration |
Format: | AT [cmds] \Vn [cmds] |
Description: | Adds /ARQ to connect message |
Command | Function |
\V0 | Add /ARQ to connect message enabled |
í \V1 | Add /ARQ to connect message disabled |
TROUBLE CALL DELAY | |
Type: | Read only |
Format: | AT [cmds] S142? [cmds] |
Description: | Contains value of trouble call delay |
V.32 AUTO-RETRAIN | |
Type: | Configuration |
Format: | AT [cmds] &Bn [cmds] |
Description: | Selects action the modem will take during bad line quality on V.32/32bis connection |
Command | Function |
%B0 | Auto-retrain disabled, hang up on poor line quality |
í %B1 | Auto-retrain on line quality problem enabled |
%B2 | Modem ignores line quality problems |
V.42 DETECTION PHASE | |
Type: | Configuration |
Format: | AT [cmds] -Jn [cmds] |
Description: | Controls V.42 detection |
Command | Function |
-J0 | V.42 detection disabled |
í -J1 | V.42 detection enabled |
V.42bis COMPRESSION CONTROL | |
Type: | Configuration |
Format: | AT [cmds] "Hn [cmds] |
Description: | Controls V.42bis data compression |
Command | Function |
"H0 | V.42bis disabled |
"H1 | V.42bis when transmitting enabled |
"H2 | V.42bis when receiving enabled |
í "H3 | V.42bis when transmitting/receiving enabled |
V.42bis DICTIONARY SIZE | |
Type | Configuration |
Format | AT [cmds] "Nn [cmds] |
Default | Unidentified |
Range | 512-2048 |
Unit | 1 byte |
Description | Controls the size of the V.42bis |
V.42bis MAXIMUM STRING LENGTH | |
Type: | Configuration |
Format: | AT [cmds] "On [cmds] |
Default: | 32 |
Range: | 6 - 250 |
Unit: | ASCII |
Description: | Selects string size for V.42bis compression. |
WAIT FOR MNP LINK | |
Type: | Configuration |
Format: | AT [cmds] \U [cmds] |
Description: | Modem waits in on line mode for an MNP link |
XON/XOFF PASS-THROUGH | |
Type: | Configuration |
Format: | AT [cmds] \Xn [cmds] |
Description: | Selects whether XON/XOFF signals are sent to remote modem |
Command | Function |
í \X0 | XON/XOFF signals trapped by local modem |
\X1 | XON/XOFF passed through local modem |