Specifications

4-30 800 MHz System Planner R4-11-4G
MOBILE EQUIPMENT
Vehicular Radio Modem 660
Table 4-25 lists the software options for VRM 660.
4.3.3.1 Accessories for VRM 660
Table 4-26 shows the hardware accessory descriptions for the VRM 660.
Table 4-25. Software Options for VRM 660
COF DESCRIPTION
OPTION
NUMBER
DESCRIPTION
ENH: RD-LAP
PROTOCOL 9.6 KBPS
V470 Adds the RD-LAP 9.6 kbps software driver and is loaded into the
VRM 660. For use with 12.5 kHz channel spacing.
ENH: RD-LAP
PROTOCOL 19.2 KBPS
V500 Adds the RD-LAP 19.2 kbps software driver and is loaded into
the VRM 660. For use with 25 kHz channel spacing.
Table 4-26. Hardware Accessories for VRM 660
COF DESCRIPTION
ACCESS.
NUMBER
DESCRIPTION
CABLE, 20FT DB9 M-F
WITH BKT DTE
FKN4174 Adds a 20-foot DB-9 M-F cable for connecting to a DTE, and
comes with a retaining bracket. Connector is intended to be
surface mounted at a convenient location where the user can
readily plug and unplug a separate cable attached to the DTE
device. (Use AMP #745255-2 or 745779-2 connectors only.)
CABLE 10FT DB9 M-M
DTE
FKN4368 Adds a 10-foot DB-9 M-M cable used to connect a VRM to a
DTE device.
CABLE 20FT DB9 M-M
DTE
FKN4376 Adds a 20-foot DB-9 M-M cable added to the VRM to connect
it to external DTE devices.
CABLE 14IN DB9 M-F
DTE
FKN4520 Adds a 14-inch DB-9 M-F cable that collocates the MW-520
with the VRM.
ADAPTER, DB9F-DB25M MDKN4023 Adds a DB9-F to a DB25-M adapter when the DTE has a
DB25-M serial port.
INSTALLATION
HARDWARE
SLN4103A Adds a retaining bracket that also can be used as a template
for mounting the VRM 660.