TeleWell TA 128 USB, Руководство пользователя

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TeleWell ISDN TA 128 USB
6
4. An ISDN basic rate
S
0
line released by PTT (Post,
Telephone and Telegraph administration).
2.2 The Front Panel LEDs
LED Meaning
USB When this LED is lit, it indicates that the USB port
is connected to the PC and working properly.
ISDN When this LED is lit, it indicates that the ISDN S
0
bus is activated. It will flash when there is message
transfer in the D channel.
B1
When this LED is lit, it indicates that the ISDN B1
channel is being accessed. It will flash when there
is data transfer in the B1.
B2 When this LED is lit, it indicates that the ISDN B2
channel is being accessed. It will flash when there
is data transfer in the B2.
PC When this LED is lit, it indicates that there is at least
one application program using the USB ISDN TA.
2.3 Connecting the USB ISDN TA
Please refer to the following instructions and figure for installing
the USB ISDN TA:
1. Connect the ISDN S
0
line to the RJ-45 jack.
2. Connect the USB cable to the USB port and connect the
other end of USB cable to the PC. Refer to the
following figure.