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Chapter 2 Serial Interface Capabilities
Connecting a Computer or Modem
2-6 Operating and Programming Guide
To Connect the GPS Receiver to a PC or Modem Via
the Rear-Panel PORT 1
Connecting to the Personal Computer (PC)
Use an HP 24542G interface cable or equivalent to connect the
Receiver’s rear-panel PORT 1 DB-25 female connector to a PC as
shown in Figure 2-1. See “Making Your Own Cables” starting on
page 2-8.
Figure 2-1. Connecting the GPS Receiver to a PC or Laptop
Connecting to a Modem
Use an HP 40242M interface cable or equivalent to connect the
Receiver’s rear-panel PORT 1 DB-25 female connector to a modem,
which is a DCE (Digital Communication Equipment) device, as shown
in Figure 2-2. See “Making Your Own Cables” starting on page 2-8.
Computer
HP 24542G
or equivalent
GPS Receiver
(Rear view)
WARNING:
WARNING:
NO OPERATOR SERVICEABLE PARTS INSIDE, REFER SERVICING TO SERVICE TRAINED PERSONNEL.
FOR CONTINUED FIRE PROTECTION, USE SPECIFIED ~ LINE FUSE.
Port 1
ALARM BITE
ANTENNA
POWER
SERIAL PLATE
FOR LABORATORY USE BY
QUALIFIED PERSONNEL
FOUR USAGE EN LABORATOIRE
PAR PERSONNEL QUALIFIE
! !
!
!
INPUTS
Time Tag
1
Time Tag
2
Time Tag
3
OUTPUTS
1 ppsProgrammable
TOD
Irig-B
129 VDC
48 VDC
129 VDC