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BSM-856 외장형 모뎀은 M2M 비즈니스에 알맞도록 임의의 시스템에 부가적
시스템으로서 장착하여 해당 시스템이 CDMA 무선망에 접속하여 음성 및
데이터 통신 기능을 갖도록 하는 무선 단말장치입니다.
본 모뎀은 153.6kbps의 packet data 전송 속도를 지원하며, 퀄컴의 gpsOne 기
능을 이용하여 GPS을 이용한 위치추적 서비스 기능도 가능하여 원격감시,
제어, 검침. 텔레매틱스, 보안기기 등의 다양한 응용분야에 적용 할 수 있도
록
설계된 외장형 모뎀입니다.
1.1 특징
z gpsOne® Service
z Voice/DATA Service
z Analog Audio Interface
z SMS (Short Message Service)
z Standard & Extended AT Command Set
z Embedded TCP/IP Protocol St ack
z Buzzer Output
z Power On/Off Control
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User’s Manual (preliminary)
2 Modem Specification
2.1
Mechanical Specification
z Dimension : 116 x 59 x 20 (L x W x H)mm
z Weight : 145g
z Antenna connector : SMA type
z Mounting : 3.2mm 4 Holes
z Modem interface : D-SUB 9 connectors
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User’s Manual (preliminary)
2.2 Environmental Specifications
z Storage Temperature -30°C to +70°C
z Operating T emperat ure -20°C to +60°C
z Humidity (Operating) 95% (50°C) relative humidity (non-
condensing)
z Vibration (Operating) 5 Hz to 500 Hz sinusoidal, 1.5G
z Drop No damages after 60-inch drop over
concrete floor
2.3 Electrical Specifications
z Power input DC 5V
z Maximum current 1A
z Idle current 90~100mA
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User’s Manual (preliminary)
2.4 Connector V endor
3 Modem Interface
z Modem Interface Connector(30Pin)
Mating Connector Part No: TSH-115-01-F-DV-A-M-TR
(제조사: SAMTEC)
z Power Connector(2Pin)
- Mating Connector Part No: SMH250-2 (연호전자)
z Antenna Connector Standard SMA connector
z Mounting hole 3.2mm 4 positions (4 holes)
3.1
BSM-856은 외부 기기와 인터페이스를 하기 위하여 D-SUB 9 핀 커넥터를 제
공합니다.
Pin
NO.
Pin Array
Signal Name Type Description
1 DCD- O Data Carrier Detect
2 RXD O Receive data from the MODEM the
HOST
3 TXD I Transmit data from the HOST to the
MODEM
4 DTR- I Data Term inal Ready
5 GND GND Ground
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User’s Manual (preliminary)
6 DSR- O Data set Ready
7 RTS- I Request to send
8 CTS- O Clear to send
9 RI- O Ring Indication
I : Input O : Output
<표 3-1 Pin Descriptions>
3.2 Power Supply Signals
<Figure 3.2-1 Power Connector>
3.3 LED Indicating
Mark Status Action
INRANGE Idle(In range) Blinking
INRANGE Line’s busy On
3.3.1 Basic A T Command
Table 2.1.1-1 specifies the Basic Action Commands to be supported for the CDMA data
services. Exceptions to EIA/TIA-602 are indicated in Table 2.1.1-1 by square brackets.
Default settings are shown in bold.
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User’s Manual (preliminary)
Command Description
A/ Re-execute previous command.
A Enter the online state. See service specific processing for further
details.
D<dial
string>
Causes the MT2 to transition from the command state to the online state.
The <dial string> is optional. For circuit switched data services, the
dial string may contain the following characters: Digits 0 to 9, *, #, A, B,
C, and D.
The dial string may contain the following dial modifiers:
T Tone dialing [ignore]
P Pulse dialing [ignore]
, Pause during dialing
W Wait for dial tone
@ Wait for quiet answer
! Hook flash
[$] Wait for billing tone (for credit-card calls)
; After dialing, the IWF enters the online command state and
maintains the connection
H0 Causes the MT2 to transition from onlin e command state to command
state. Use of the digit ‘0’ is optional (see EIA/TIA-602).
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User’s Manual (preliminary)
O0 Causes the MT2 to transition from onlin e command state to online state.
Use of the digit ‘0’ is optional (see EIA/TIA-602).
3.3.2 Basic Result Codes
Table 2.1.2-1 specifies the Basic Result Codes to be supported for the CDMA data
services. Exceptions to EIA/TIA-602 are indicated in Table 2.1.2-1 by square brackets.
Default settings are shown in bold.
The ERROR result code shall be returned for all commands, which do not comply with
the syntax rules of 5.1 of EIA/TIA-615, or Secti on 5 of EIA/ TI A- 6 02 .
Numeric Verbal Description
Async
& Fax
0 OK Command executed. R R R
1 CONNECTEntering online state. R R R
Packet
STU III
Data
2 RING
3
4 ERROR
6
7 BUSY
8
NO
CARRIER
NO
DIAL TONE
NO
ANSWER
Alerting signal received
R N/A N/A
from network.
Unable to activate the
R R N/A
service.
Command not recognized
R R R
or could not be executed.
No dial tone detected
R N/A N/A
within time-out period.
Reorder (Busy signal)
R R N/A
received.
Five seconds of silence
not detected after ring
R N/A N/A
back when @ dial
modifier is used.
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User’s Manual (preliminary)
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