Specifications

Installation and Operation Manual Chapter 4 Configuration
ASMi-52CQ Ver. 2.12 Configuring the Modem 4-3
• Internal – clocking comes from its internal oscillator (also known as master
clocking).
Figure 4-1 illustrates the various clock sources.
Figure 4-1. ASMi-52CQ Clock Sources
The clock source of each line in ASMi-52CQ can be configured separately with the
following restrictions:
• External clocking cannot be used for Ethernet.
• When receive clocking is configured for one line, all lines must use receive
clocking
• When using ASMi-52CQ as CPE it must be configured to receive clocking.
³ To configure the clock source:
• In the Modem Setup menu, move the cursor to CLOCK SOURCE LOC/REM field
by pressing <Tab> and select the clock source for the selected modem.
Configuring the DTE Interface
To configure the ASMi-52CQ DTE interface (serial or E1/T1), refer to the
appropriate section below. See
Appendix C for explanations of the parameters.
Configuring the Serial Interface
³ To configure the serial interface:
• In the Modem Setup menu, move the cursor to DATA RATE field by pressing
<Tab> and select the desired transmission rate by pressing <F> or <B>.
Configuring the E1 Interface
³ To configure the E1 parameters:
1. In the Modem Setup menu, move the cursor to NEXT PARMETERS (E1) field by
pressing <Tab> and select YES by pressing <F> or <B>.
The Modem Setup menu: E1 Parameters screen appears.
2. Configure the following E1 parameters:
 Framed mode