
ASM-40 Ver. 1.0 Installing ASM-40 1
Quick Start Guide
Installation of ASM-40 should be carried out only by an experienced technician. If
you are familiar with ASM-40, use this quick start guide to set it up for operation.
This guide describes the standalone version of the modem.
Perform the installation procedures for both the local and the remote units.
1. Installing ASM-40
Instructions given below detail the settings that you have to make in order to
configure ASM-40 for proper operation. The table, which comes after the
configuration instruction lists the ASM-40 DIP switches and their possible
settings.
Configuring ASM-40
To configure ASM-40:
1. Disconnect all the cables connected to ASM-40.
2. Locate and open a lid on the bottom panel at the rear of the ASM-40 modem.
3. Set the internal DIP switches and jumpers according to the table below.
4. Close the bottom panel lid.
DIP Switch Function Possible Settings Factory
Setting
EX/R and INT
sections,
SW4/1, 2
Select the transmit clock INT – ON, internal clock.
EX/R section is disabled
EX/R – ON, INT – OFF, receive clock
EX/R – OFF, INT – OFF, external clock
INT – ON
EX/R – OFF
Note: When set to external clock, ASM-40 automatically configures itself to the DTE data rate, disabling SW3 (baud
rate).
B8ZS and AMI
sections,
SW4/3, 4
Select the line code B8ZS – OFF, AMI – ON, AMI line code
B8ZS – OFF, AMI – OFF, HDB3 or B8ZS line code,
depending on the selected data rate
B8ZS – OFF
AMI – OFF
Note: When setting data rate to 32, 64, 128, 256, 512, 1024, 1920 or 2048 kbps, the HDB3 line coding is
automatically selected. In this case the B8ZS and AMI section settings are irrelevant.
The B8ZS and AMI sections are in use only if the data rate is set to 192( B8ZS only), 384, 768, 1536 or 1544
kbps.
SWEN section,
SW3/1
Enables activation of the
loopbacks and internal BERT via
ON – The diagnostic tests can be activated via
the front panel
ON
Comentários a estes Manuais