Chapter 4 Storage/Control I/O Module

Hardware Configuration

Note You can use a 36-conductor, straight-through parallel cable to connect a printer to the system controller. However, only the conductors shown in Figure 4-7are used. For more information on the parallel 36-pin Centronics cable available from Cisco Systems, refer to the Cisco VCO/4K Hardware Planning Guide.

SCSI Interface

The SCSI mass storage bus interface on the Storage/Control I/O Module is not used in system operation.

Hardware Configuration

This section outlines hardware configuration options.

SCSI Termination Configuration

The SCSI Interface connector is reserved for future use.

Serial Port Configuration

Serial Ports 1 Through 4 and Jumper Settings

Serial ports 1 through 4 on the Storage/Control I/O Module can be configured as modem (DCE) terminations for connection to a terminal or configured as terminal (DTE) terminations for connection to a modem. (Refer to the “Serial Ports 1 Through 4” section on page 4-12for more information.)

Jumpers are positioned in J1 for Serial Port 1 (master console), JP17 for Serial Port 2 (remote maintenance modem, and JP13 and JP18 for Serial Ports 3 and 4 (SIO host links), respectively.

For Serial Ports 1 and 2, these jumper settings assume that straight-through EIA (DCE to DTE) cables are used to connect the system to the master console and remote maintenance modem. If the jumpers are moved to position JP11 (for the master console) and JP16 (for the remote modem), crossover cables can be used.

Note Straight-through cables directly link the connector pinouts from end-to-end. In crossover cables, Pins 2 and 3 are crosswired; Pin 2 at one end is wired to Pin 3 at the opposite end, and vice versa.

Jumper settings for Serial Ports 3 and 4 (SIO host links) are determined by two factors: the type of cable employed (straight-through or crossover) and the host termination at the end of the cable (terminal or modem).

The default jumper settings for Serial Ports 3 and 4 configure the CPU as a DTE termination. This configuration supports the following arrangements:

Straight-through cables connecting the system to a modem (DTE to DCE)

Crossover (null modem) cables connecting the system to a terminal (DTE to DTE)

Cisco VCO/4K Mechanical Assemblies

 

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Cisco Systems VCO/4K Hardware Configuration, Scsi Interface, Scsi Termination Configuration, Serial Port Configuration

VCO/4K specifications

Cisco Systems VCO/4K is a powerful video conferencing solution that has emerged as a leader in enabling high-quality, collaboration-driven communication within enterprises. Designed to cater to the demands of modern workplaces, the VCO/4K embodies a robust suite of features and advanced technologies that elevate the video conferencing experience.

One of the standout characteristics of the Cisco VCO/4K is its ability to deliver stunning 4K video quality. The high resolution ensures that participants can engage with crystal-clear visuals, making remote meetings feel more immersive and lifelike. This quality is essential for maintaining engagement and fostering an effective collaborative environment.

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