User manual

WT-248 GSM 8 Ports Analog Gateway

WT-248 – USER MANUAL – Rev.1.5 – Technical Support: technical@witura.com

When the “strong or weak signal” indicator indicates there is enough receiving

signal, pick up the telephone which connecting with the PRI Gateway (Analog

Channel Bank), and you can hear the dialing tone immediately; If connecting

the machine with the fee counter, it will show the telephone number you dial.

After the other side picks up the phone handset, the charging machine starts

working.

For shortening the network accessing time, it is suggested to press the “#” key

after dialing the telephone number (means to press the “accelerates dial” key).

Without dialing more numbers in 7 seconds after first dial, the first telephone

number will be redialed automatically.

d) Call in

When there is a call in, the telephone rings. Pick up the phone and converse

e) The operation method of the charge machine

Please read the charge machine manual about the detailed operation method

f) Replacing SIM Card

If the SIM Card needs to be often replaced, the user can replace the single

channel SIM Card without influencing others. Please press the RED key in front

of the unit regarding the channel which will be replaced and make it power off

separately. The power LED will be turn off and then open the front upper-cover

and press the key of channel which needs to replace SIM Card, the LED light

aside the SIM Card will go off. Then the SIM Card can be placing, press the key

again, and the LED light aside the SIM Card will shine bright. If other SIM Cards

need to be changed, it is the similar with above steps.

1. Support Protocol: GSM07.10

2. Maximum RF power output: 2W (GSM)

3. Dialing Tone: 450Mhz continuum

4. Busy Tone: 450Hz 0.35S/0.35S

5. Product Shell: Steel

6. RF Parameter

7. K0dulation: -0.3GMSK

8. Channel Interval: 200KHz

9. Frequency difference: ≤0.1ppm

10. Antenna Gain: Inside keeping 3db/ outside keeping 5db

11. Antenna Resistance: 50ohm

12. Standby current: <15mA

13. Average communicating current: <300mA

14.

Support 3.0V/ 1.8V SIM Card Adaptively

OTHER SPECIFICATIONS