FELCOM 82
H3-38
3.8 HSD test
This section describes how to test HSD function.
3.8.1 How to use HSD checker
Using MES loop back service, the function of HSD can be checked by following the
steps below. This test requires the HSD checker (no code number) which operates from
110 Vac and 220 Vac power sources without modification.
1. Connect the RS-449 connector of the HSD checker to the HSD port.
2. Set the DIP switches on the checker for RS-422 signal: set the RTS and DTR
switches to OFF position, and S1 to S5 to ON position.
CR11 CR12 CR13 CR14 CR15 CR16 CR17 CR18
CR1CR2CR3CR4CR5CR6CR7CR8CR9 CR10
Received Data Pattern
Sending Data Pattern
ON
OFF
RTS
TxD RI DCD DSR CTS
RxCLK TxCLK
RS422
RS232C
ON
ON
OFF OFF
RTS
DTR
DTR RxD
S1S2S3S4
S6
S5
S7
S8S9S10S11S12S13S14S15
Front panel of HSD checker
3. Turn on the FELCOM 82 and wait until the system acquires NCS common
channel.
4. Using the handset, make settings in HSD menu as below. To call HSD menu,
press [FUNC] [8].
1) Dest. No.: Parth : 222 0061 29 3334699# or
Burum : 012 0031 10 2947020#
2) Call TEL: HANDSET
3) Data Rate: 64k
4) Dial Method: DIRECT
5) Auto Rate: OFF
6) Command: HDLC
7) Character: 8 bit/None
8) Ignore DTR Normal
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