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Model GFC7000E Instruction Manual Optional Hardware and Software
04584 Rev A1 42
5.5.2. RS-232 Multidrop (Option 62)
The multidrop option is used with any of the RS-232 serial ports to enable communications of
several analyzers with the host computer over a chain of RS-232 cables. The option consists of a
small box, which can be attached to the analyzer, with a termination switch, a power connector
and two serial ports, one incoming from the analyzer (cable supplied) and one outgoing (requires
additional cable) to the next analyzer’s multi-drop box. One Option 62 is required per analyzer.
The first incoming port on the first box connects to the host computer and the outgoing port on
the last multi-drop box needs to be terminated. Setup and user instructions are covered in the
Teledyne Instruments’ multi-drop manual, part number 021790000.
5.5.3. Ethernet (Option 63)
The Ethernet option allows the analyzer to be connected to any Ethernet local area network (LAN)
running TCP/IP. The local area network must have routers capable of operating at 10BaseT. If
Internet access is available through the LAN, this option also allows communication with the
instrument over the public Internet.
When installed, this option is electronically connected to the instrument’s COM2 serial port making
that port no longer available for RS-232/RS-485 communications through the COM2 connector on
the rear panel. The option consists of a Teledyne Instruments designed Ethernet card (Figure 5-
4), which is mechanically attached to the instrument’s rear panel. A 7-foot long, CAT-5 network
cable terminated at both ends with standard RJ-45 connectors is included as well. Maximum
communication speed is limited by the RS-232 port to 115.2 kBaud.
Figure 5-4: MGFC7000E Ethernet Card and rear panel With Ethernet Installed
5.6. Additional Manuals
5.6.1. Printed Manuals (Option 70)
Additional printed copies of this manual are available from Teledyne Instruments