1.2
Mounting Types
IG202T-R38 is available as a desktop modem or in two different types of standard 19'' rack:
1U rack with 1, 2 or 3 modems per rack;
3U rack with 10,12 or 14 modems per rack,
and additional blank front plates covering unused slots.
All connectors at the rear side are accessible at the back openings.
2. INTERFACES
2.1 Front Panel
RST
Reset button is accessible on the front panel using a pin of diameter under 2 mm (pencil
tip, etc.). It re-initialise all modem functions. The modem must be reset immediately
on inconsistent operation appearance, before starting the maintenance diagnosis phase.
This reset, like a long duration power cut-off, has no effect on the status of
configurations previously loaded into the modem.
SET
Set button is used for entering command mode (see “Entering Command Mode”
section), which allows modem configuration.
PWR In data mode PWR LED is ON when modem is power supplied and in proper function;
PWR LED is OFF in case of: power supply is not present or modem is in malfunction.
PWR LED blinks slowly (100ms / 1sec cycle) as an indication of command mode.
PWR LED blinks fast (100ms / 100ms cycle) when modem has locally initiated some
of the test modes. PWR LED blinks slowly (1sec / 1sec cycle) when modem is
remotely brought to some of the test modes.
TXD
Transmit LED indicates data transmitted on TXD pin of RS-232 interface.
RTS
Request to Send LED indicates state of RTS pin of RS-232 interface.
RXD
Receive LED indicates data received on RXD pin of RS-232 interface.
DCD Data Carrier Detect LED indicates the presence of in-channel carrier with level higher
then predefined receive level.
IG202T-R38 User Manual v1.3
, Rev. date: 16 November, 2009
3
Figure 2.
IG202T-R38
Front panel view (desktop version)
