Spectracom Corporation
Model 9289
NetClock/NTP Network Time Provider Instruction Manual
7-1
7
Options
Spectracom offers several options for the 9200 Series.
Option Description
9289
02
Front panel display & Second Serial
Port/Remote Port
OPTIONAL
03
Dial-Out Modem & ACTS Server
OPTIONAL
04
Rb (Rubidium) Oscillator *
NO
05
OCXO Oscillator *
NO
06
IRIG Input
NO
08
SPS GPS Receiver
STANDARD
09
TCXO Oscillator *
STANDARD
*Choose one oscillator only.
Please contact Spectracom’s Sales department for information regarding any options you do not
yet have that you may wish to purchase. Those options requiring additional explanation are
detailed herein.
NOTE:
Option 02, which consists of the Front Panel Display, an additional remote port, and an
additional serial port, is discussed in initial configuration and in Section 4, Operation.
7.1
Option 03: Modem
7.1.1 Option 03 Basics
Option 03 provides the NetClock with the capability to use a modem to dial-out via an analog
phone line for time retrieval if GPS reception is either lost or cannot be obtained due to site
limitations. The modem can be configured in the software as either the primary external time
reference or it can also be configured as a Secondary/Backup reference in case the primary
reference is lost.
The modem interfaces to the NetClock via the Serial Setup Interface located on the rear of the
NetClock. This dual-function port provides the capability to initially configure the network
settings and is also the interface for the modem.
If not initially purchased with the unit, Option 03 can be enabled (turned on) in the field. Please
contact our Sales department to purchase this option. You will be sent a Hash key that can be
entered in the NetClock to enable the security algorithms. The purchase of the option includes
a Spectracom supplied compatible modem.
Note:
The modem
MUST
be
Hayes AT
compatible and configured for this mode of operation to
operate correctly with the unit. The Spectracom supplied modem is Hayes AT compatible.
Summary of Contents for 9289
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