Hardware Interfaces R&S SMB
1407.0806.32 8.2 E-2
Hardware Interfaces
The following section describes the remote-control interfaces of the signal generator. All other
interfaces are described in Chapter 1, sections "Legend for Front Panel View" and "Legend for Rear
Panel View". For specifications refer to the data sheet.
IEC/IEEE Bus Interface
The standard instrument is equipped with an IEC/IEEE bus connector. An IEEE 488 interface connector
is located on the rear panel. An external controller for remote control of the instrument can be
connected via the IEEE 488 interface connector using a shielded cable.
Interface Characteristics
• 8-bit parallel data transfer
• bi-directional data transfer
• three-line handshake
• high data transfer rate
• up to 15 instruments can be connected
• maximal length of the interconnecting cables 15 m (single connection, 2m)
• wired-OR connection if several instruments are connected in parallel.
12
1
13
24
GND SRQ NDAC DAV D3 D1
GND(24) GND(22) GND(20) GND(18) D7 D5
GND(23) GND(21) GND(19) REN D6 D4
ATN IFC NRFD EOI D2 D0
Figure 8-1 Pin assignment of IEC/IEEE-Bus interface
Bus Lines
1. Data bus with 8 lines D0 to D7.
The transmission is bit-parallel and byte-serial in the ASCII/ISO code. D0 is the least significant bit,
D7 the most significant bit.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com
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