NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
—Consult the dealer or an experienced radio/ TV technician for help.
Changes or modifications not expressly by the party responsible for compliance could void the user's
authority to operate the equipment
1.1 Definitions and Abbreviations
—―IP Telephony: a kind of voice service over IP network
—―GSM: Global System for Mobile communications
—―CDMA: Code Division Multiple Access
—―FXO: Foreign Exchange Office
—―FXS: Foreign Exchange Subscriber
—―DTMF: Dual-Tone Multi-Frequency
—―SMS: Short Message Servicing
—―NMS: Network Management System
1.2 Equipment Description
S1801EC Fixed Wireless Terminal (Refer to as S1801EC in the following sections) is a device for voice
or data communication. It provides wireless access functionality by CDMA network. S1801EC is fit for all
kinds of areas and scenarios especially in places where wired network is impossible or hard to reach...
S1801EC is a mono-board device, which can be configured to support CDMA.
The device provides external interfaces as below:
a) One FXS interface, connect to a telephone set.
b) One SIM/UIM card slot, for SIM/UIM card installation
c) One battery slot
d) One antenna interface
e) One program interface, special program cable for update terminal
f) One TTL Internet port, equipped USB-TTL cable for Internet access.
The back panel of the equipment is shown as in Figure 1-2.
Figure 1-2 Back Panel
a) Power: DC12v power supply socket.
b) Power switch: DC power switch, push down to switch on the equipment
c) Phone: RJ11 telephone set socket, connect to telephone set by normal 6P4 phone line
d) Program: RJ11, special cable for update terminal
e) Internet(TTL): equipped USB-TTL cable for Internet
f) Slide switch (Call/Internet): switch system modes between Internet and voice communication
Table 4-1 lists the main functions of the equipment. Refer to Chapter 5 for more details.
Table 2-1 S1801EC Functions
Functions Specification Notes
Telephone set
connection
Caller ID
indication
CDMA network
access
Polarity reverse Send polarity reverse signal for charge
Protection Lock SIM/UIM card, lock PIN etc.
Keypad NMS Network management over keypad
Provides one FXS interface for connecting to
a telephone set, for incoming/outgoing call
Support caller ID indication
Support CDMA network access S1801ECC
2.2 Technical Specifications
a) Working environment
1) Operation temperature:-10゜C ~+55゜C
2) Relative humidity:10%~95%
3) Air pressure:86kPa~106kPa
4) Environment noise:≤60dB(A)
b) Working frequency: CDMA 800Mhz
c) Frequency stability:better than 2.5×10
d) Signal sensitivity:less than –103dBm
e) Radiation power:<0.2 W
f) Power supply: A.C 220×(1±15%)V
g) CalIer ID mode:DTMF
h) Telephone line length: no more than 750m
-6
2.3 Dimension
210mm (Length) × 150mm (Width) × 44mm (Height).
S1801EC is designed to have beautiful streamline outline, and can be placed horizontally (figure 3-1) or
upright (with the help of a fixer stand) in accordance with the office environment.