Data Communications
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V.35 2-Wire Short-Haul Modem 256-kbps Line Drivers
Send async and sync data fast over twisted pair! Clean transmissions, selectable speeds, and card models.
s4RANSMITSYNCDATAUPTO s$RIVEDATAUPTOKILOMETRES
128 kbps using 2B1Q line (3 mi.) at 256 kbps. Go
coding. further at slower speeds.
s3ENDSYNCDATA s3TANDALONEAND
kilometres (3.4 mi.) over rackilometresount
existing 2-wire twisted- card versions available.
pair lines. s"UILT
IN"%24SUPPORTS
s!DAPTIVEEQUALISER V.54 loop diagnostics.
ME376A-R2
provides noise immunity s)MMUNITYFROMBACKGROUND
ME444A-R3
and high performance
s FIDO PROTECTION
®
— 1 Year
noise eliminates line distortion.
over low-quality lines. s
FIDO PROTECTION
®
— 1 Year
NOTE: Must be used in pairs.
s&ULLDIAGNOSTICSINCLUDE
internal BERT and local NOTE: Must be used in pairs.
and remote loopbacks.
TECH SPECS TECH SPECS
Clocking — Internal, external, receive Connectors — V.35: (1) M/34 F; Clocking — Internal, external, receive Speed (Maximum) — 256 kbps
Distance (Maximum) — 3.4 mi. (5.4 km) Line: (1) 3-screw terminal block, Operation — 4-wire half- or full-duplex Size — ME444A-R3: 1.6”H x 9.6”W x
over 26 AWG wire (1) RJ-45 Protocol — Asynchronous and 7.6”D (4.1 x 24.4 x 19.3 cm)
Operation — 2-wire full-duplex, Power — 240 VAC, 60 Hz synchronous Weight — ME444A-R3: 3.1 lb. (1.4 kg)
point-to-point Size — 1.8”H x 7.7”W x 9.7”D
Protocol — Asynchronous or (4.6 x 19.6 x 24.6 cm)
synchronous Weight — 3.1 lb. (1.4 kg)
Speed (Maximum) — 128 kbps
Item Code
Interface — V.35 256-kbps Line Drivers (LDM-MR128)
Standalone V.35 ME444A-R3
RS-530 ME445C-530
To rackmount your cards, order...
Item Code
RackNest 2/14 (See below.)
V.35 2-Wire Short-Haul Modem ME376A-R2 230-VAC RM110AE

-BPS3HORT
2ANGE$RIVER RackNest 2/14
(IGH
3PEED3HORT
2ANGE,INE$RIVER
Rack up t
S
o 14 line driver and short-haul modem cards!
Win the data race with this speedy driver!
s4RANSMITUPTO-BPS
in point-to-point applications.
sSELECTABLEDATARATES
s%XTEND68
and RS-422/449/530
communications.
s2EDUCEFILE
TRANSFER
times and enable bridges
RM110AE
to work at their true speed.
s FIDO PROTECTION
®
— 1 Year
ME270A-R3: top: front view;
s(IGH
DENSITYvMODEMRACKISONLY25HIGH

NOTE: Must be used in pairs. bottom: rear view s(OT
SWAPPABLECARDSANDPOWERSUPPLIES
s7ORKSWITHBALANCEDANDUNBALANCED'EQUIPMENT
TECH SPECS
s&ULLYREDUNDANT!#POWERSUPPLIES
Clocking — Internal, external, receive Connectors — All: (1) terminal block;
s FIDO PROTECTION
®
— 1 Year
Distance (Maximum) — 0.8 mi. ME270A-R3: (1) M/34 F;
(1.2 km) at 2.048 Mbps ME271A-R3: (1) DB15 F;
Line Coding — HDB3, AMI, B8ZS ME272A-R3: (1) DB25 F for RS-422/ NOTE: More MicroRACK Cards, as well as adaptors, are available. For details,
Operation — 4-wire half- or full-duplex, 530, (1) DB37 adaptor for RS-422/449
see www.blackbox.com.au or call our FREE Tech Support.
point-to-point Power — 240 VAC, 60–50 Hz
Protocol — Synchronous Size — 1.6”H x 9.6”W x 7.6”D
Speed (Maximum) — 2.048 Mbps (4.1 x 24.4 x 19.3 cm)
Item Code
Item Code &IRSTCHOOSETHERACKMATCHINGYOURSYSTEMSVOLTAGEx
2.048-Mbps Short-Range Driver
RackNest 2/14 230-VAC RM110AE
V.35 ME270A-R3
…order any backup power supplies you need…
High-Speed Short-Range Line Drivers
Power Supply 230-VAC PS1000AE
X.21 ME271A-R3 …then select the cards you need for your RackNest.
RS-422/449/530 ME272A-R3 Balanced G.703 Interface on Line Side
388
New Zealand: www.blackboxnz.co.nz – For Sales or Tech Support, call 0800-653-219.
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