Black Box KV3000 User Manual Page 29

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SERVSWITCH™ AND SERVSWITCH ULTRA™
If you use coaxial cables, the maximum recommended distance from the
ServSwitch to the attached monitor, keyboard, and mouse is 20 ft. (6.1 m)
with
typical monitors and video resolutions, but see the first Caution notice on
page 23. For typical CPUs, this is also the maximum recommended distance
from any submaster to any attached CPU. Depending on your application, this
distance might vary; see Section 4.1.3.
The distance between any ServSwitch and any submaster plugged into one of
its ports must not exceed 20 ft. (6.1 m) of original Serv cable. For coaxial
cable, the maximum recommended distance is 20 ft. (6.1 m), but see the first
Caution notice on page 23.
The total number of CPU ports accessible by any ServSwitch master unit must
not exceed 256.
Do not use older (“-R2” product code or earlier) mini (SW721 or SW722)
model ServSwitches as submasters in your ServSwitch system. Their cascading
logic and command language is different from that of all other Serv type units.
Figure 3-3. Cascading with Matrix ServSwitch submasters.
4
3
2
1
SUBMASTER MATRIX
SERVSWITCH 2
ADAPTER CABLES
CPU 4
CPU 3
CPU 2
CPU 1
CPU 9 (A)
through
CPU 14 (A)
4
3
2
1
SUBMASTER MATRIX
SERVSWITCH 1
MONITOR
KEYBOARD
MOUSE
CPU1
CPU3
CPU2
CPU4
RS-232
POWER
17VAC CT
MONITOR/KEYBOARD/MOUSE A
MONITOR/KEYBOARD/MOUSE B
CPU1
CPU3
CPU2
CPU4
RS-232
POWER
17VAC CT
MONITOR/KEYBOARD/MOUSE A
MONITOR/KEYBOARD/MOUSE B
MONITOR
KEYBOARD
MOUSE
CPU 9 (B)
through
CPU 14 (B)
CPU 8
CPU 7
CPU 6
CPU 5
2
1
2
1
3-8
3-8
B
A
B
A
RS-232
POWER
17VAC CT
CPU 5
CPU 1 CPU 2
CPU 8CPU 7
CPU 3 CPU 4
CPU 6
MONITOR/KEYBOARD/MOUSE
RS-232
POWER
17VAC CT
CPU 5
CPU 1 CPU 2
CPU 8CPU 7
CPU 3 CPU 4
CPU 6
MONITOR/KEYBOARD/MOUSE
CPU
SS to SS
MKM
MASTER SERVSWITCH A
MASTER SERVSWITCH B
Max. Ports = 14
Width = 4
Units = 2
Max. Ports = 14
Width = 4
Units = 2
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