Datasheet
724-746-5500 blackbox.com
BL A C K B O X
®
3 of 4
09/13/2011
#18306
Compliance — FCC Part 15 Subpart B
Class A, IC Class/classe A
Distance (Maximum) —
Depending on the CPU, monitor,
and video resolution,
Either
20 ft. (6.1 m) of original Serv
cable from ServSwitch Jr. to
any CPU;
or
50 ft. (15.2 m) of coaxial
cable—possibly more,
depending on CPUs—
from any ServSwitch Jr. to any
device attached to it
Refresh Rate — Up to 100 Hz
Resolutions (Maximum) —
With original Serv cabling:
1024 x 768 noninterlaced,
at up to 75 Hz;
With coaxial or special cabling:
1600 x 1280 noninterlaced,
at up to 100 Hz)
Standards —
With original Serv cabling:
VGA (color, monochrome, or
page white);
With original Serv cabling
(minimal) or coaxial cabling
(recommended):
SVGA video;
With coaxial cabling: XGA (color
or monochrome) video;
Non-MP models: RS/6000 or SGI
video;
With Special Cabling: True
monochrome video;
MP models: Apple Macintosh
video
User Controls —
Keyboard commands;
Front-mounted RESET and
numbered port-selection
pushbuttons
Interfaces — To user station:
All models: VGA/SVGA/XGA
video; IBM PS/2 keyboard and
mouse (including Microsoft
®
IntelliMouse
®
);
SW621A-R3: PC/AT
®
keyboard;
IBM serial (TIA/EIA RS-232
pinned as TIA-574) mouse;
To computer —
All ports on regular models and
PC ports on MP models:
Proprietary composite of
VGA/SVGA/XGA video;
PS/2 or (with adapter);
PC/AT keyboard;
PS/2 or (with adapter) serial
(TIA/EIA RS-232 pinned
as TIA-574) mouse;
Mac ports on MP models:
Proprietary composite of Apple
Macintosh video, keyboard,
and mouse
Connectors — All rear-mounted;
All models —
VGA monitor port: HD15 F;
PS/2 keyboard and PS/2 mouse
ports: 6-pin mini-DIN F;
Computer ports: DB25 F;
SW621A-R3:
AT keyboard port: 5-pin DIN F;
RS-232 mouse port: DB9 M;
SW627A-R2, SW628A-R2,
SW629A-R2: 3.5-mm barrel jack
for external power
Indicators —
All models: Front-mounted
switch power STATUS and
numbered current-port LEDs;
SW629A-R2: CPU power
Temperature Tolerance —
32 to 131°F (0 to 55°C)
Humidity Tolerance —
5 to 80% noncondensing
Altitude (Maximum) —
10,000 ft. (3048 m)
Enclosure — Steel
Power —
SW621A-R3: 5 VDC at up to
1 amp from keyboard-power
leads of attached CPUs;
SW627A-R2, SW628A-R2:
Either
5 VDC at up to 1 amp from
keyboard-power leads of
attached CPUs
or
From utility-power (mains)
outlet through detachable
input cord and included
external power supply
PS255 (not included):
Input: 115–230 VAC
at 50 or 60 Hz;
Output: 5 VDC at up to
1 amp;
SW629A-R2:
Either
5 VDC at up to 1 amp from
keyboard-power leads of
attached CPUs
or
From utility-power (mains)
outlet through detachable
input cord and external
power supply PS255 (not
included):
Input: 115–230 VAC
at 50 or 60 Hz;
Output: 5 VDC at up to
1 amp
Size —
SW621A-R3, SW627A-R2,
SW628A-R2:
1.75"H (1U) x 8.8"W x 3.5"D
(4.4 x 22.4 x 8.9 cm);
SW629A-R2:
1.75"H (1U) x 13.5"W x 4.9"D
(4.4 x 34.3 x 12.5 cm)
Weight —
SW621A-R3: Net: 1.5 lb. (0.7 kg);
Shipping: 2 lb. (0.9 kg);
SW627A-R2, SW628A-R2:
Net: 3 lb. (1.4 kg);
Shipping: 4 lb. (1.8 kg);
SW629A-R2: Net: 2.9 lb. (1.3 kg);
Shipping: 3.6 lb. (1.6 kg)
Tech SPecS