METRODATA LTD
WCM1100 / WCM3100 / WCM-Serial / LHM1000 / LVM2000 User Manual
76-02-082 Rev N
102 of 169
5.3.5.3 Interface
This display item shows the type of cable that is fitted, and the electrical specification of
the serial interface. The following options are supported:
DTE
DCE
V.35
CAB-V35-MT
CAB-V35-FC
X.21
CAB-X21-MT
CAB-X21-FC
EIA-530
CAB-530-MT
CAB-530-FC
V.36 (RS449)
CAB-449-MT
CAB-449-FC
No Cable
No cable fitted
The serial cables all have identifiers in the HD60 connector to identify them and the multi
serial interface checks the cable type and configures itself accordingly.
5.3.5.4 Mode
The normal operating mode of the WCM-Serial is in DTE mode where timing is supplied
externally by the external NTU/Modem. For lab testing, a DCE mode is also available.
Options
DTE
Selected by attached cable
DCE
Selected by attached cable, and generates the link timing.
5.3.5.5 Outgoing Controls
The serial interface supports several modem control outputs, the controls available
depends upon the interface type.
The option for each control is
ON
Always ON, normal operation
OFF
Always off
LOOP
Looped to incoming control