ACCESS
The ACCESS menus define system partitioning which controls
operator keyboard access to monitors, cameras, pan/tilts, and
alarms. System partitioning is used to segment the Matrix
Switching System to the particular installation.
Keyboard numbering
Twenty-four keyboards may be used with the AD1650B: 16
connected to the four RS-232 ports and eight connected to the
eight two-wire ports.
RS-232 Keyboards
Four RS-232 ports are provided on the rear of the AD1650B.
These ports may be expanded, with AD1981 Port Expanders,
to a maximum of 16 RS-232 keyboard ports.
For AD1650B systems with port expanders, each RS-232 port
is assigned four keyboard numbers. The keyboard numbers, as
displayed in the Keyboard Access menus, identify the RS-232
port (1-4) and the AD1981 connector port (a-d). These
numbers are assigned as follows:
RS-232 Port Keyboard numbers
1 1a, 1b, 1c, 1d
2 2a, 2b, 2c, 2d
3 3a, 3b, 3c, 3d
4 4a, 4b, 4c, 4d
If port expanders are not used, each RS-232 port uses only the
lowest assigned keyboard number (1a for port 1, 2a for port 2,
etc.). For proper keyboard numbering, verify if a port
expander is used and to which port it is connected.
Two-Wire Keyboards
Eight ports on the rear of the AD1650B are provided for two-
wire keyboards, and are separately numbered from 1 to 8 in the
keyboard access menus.
Keyboard type selection
When either of the Keyboard/Camera menu entries (2 or 3) is
selected from the main ACCESS menu above, the following
menu is displayed first to select the type of keyboard.
The type of keyboard determines the type of menu for the
Keyboard/Camera access menus: Keyboard/Camera View and
Keyboard/Camera Control. A separate menu is displayed for
two-wire keyboards and for RS-232 keyboards in each of these
functions. Both menus are illustrated in the applicable pages.
To select the keyboard type:
1. Position the cursor to the type of keyboard.
2. Press the ACK key. When the ACK key is pressed, the
appropriate menu is displayed for the keyboard type and
access menu selected, see page 4-24 or 4-25.
To exit the Keyboard Type menu without selecting a keyboard
type, position the cursor to the PREVIOUS MENU line and
press the ACK key. This returns to the main ACCESS menu.
All Access menus are displayed in multiple pages, both
vertically and horizontally. See page 4-3 for cursor positioning
and paging instructions.
The RETURN MAIN line of the ACCESS menu returns to the
the Main Selection menu, page 4-2.
4-22
MENU PROGRAMMING AD1650B
KEYBOARD TYPE
1 RS-232
2 TWO-WIRE
PREVIOUS MENU
ACCESS
1. KEYBOARD/MONITOR
2. KEYBOARD/CAMERA VIEW
3. KEYBOARD/CAMERA CONTROL
4. MONITOR/CAMERA ACCESS
5. MONITOR/CONTACT ACCESS
RETURN MAIN
(26 paginas)
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