RFL Electronics IMUX 2000 - SETTING the CM4 INTERFACE FUNCTION (INTF Group)

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4.14 SETTING THE CM4 INTERFACE FUNCTION (INTF Group)
The CM4 INTF group allows the user to select the interface characteristics as follows: system type,
configure the CM4 for the selected T1 connection, and select transmit line buildout.
The CM4 INTF group functions are summarized in Table 4-9. Refer to Section 6 of this manual for
details on the remote access and control features available.
Table 4-10. INTF group
Subgroup
Or Function Setting Description
TYPE E1 Selects E1 format
T1 Selects T1 format
exit When exit is displayed, press up on the SET/NEXT switch to exit the TYPE subgroup
and display the HEAD f
unction. To exit the SIO group entirely, press up or down on the
GROUP switch.
HEAD CMI This option is not used in the CM4 M-DACS
75* This option is not used in the CM4 M-DACS
120* Selects 120 ohm termination in E1 mode, or 100 ohm termination in T1 mode.
exit When exit is displayed, press up on the SET/NEXT switch to exit the HEAD subgroup
and display the TLBO fun
ction. To exit the SIO group entirely, press up or down on the
GROUP switch.
TLBO 0x00 DSX-1 (0 to 133 feet)/0dB CSU
0x01 This option is not used in the CM4 M-DACS
0x02 This option is not used in the CM4 M-DACS
0x03 This option is not used in the CM4 M-DACS
0x04 This option is not used in the CM4 M-DACS
0x05 This option is not used in the CM4 M-DACS
0x06 This option is not used in the CM4 M-DACS
0x07 This option is not used in the CM4 M-DACS
M-DACS-T1 RFL Electronics Inc.
exit When exit is displayed, press up on the SET/NEXT switch to exit the TLB
O subgroup
and display the TYPE fun
ction. To exit the INTF group entirely, press up or down on the
GROUP switch.
*In T1 mode, selecting a HEAD setting of 75 or 120 results in the selection of a 100 ohm impedance.
July 18, 2008 4-22 (973) 334-3100