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ATL-6420

SKU: ATL-6420 Category:

$822.40

Description

SET UP AND CONFIGURATION
The 6420 is a two channel digital termination unit that operates at all common speeds between
2,400bps and 64Kbps and supports asynchronous and synchronous operation. The unit is equipped
with three push-button switches, accessed from the front of the unit, to provide configuration, installa
tion, and diagnostic assistance. An LCD display provides visual interface into the menu system as well
as the operation of the unit. Among the operational displays are LED status simulations as well as both
port and line utilization statistics.

INTERFACE AND OPERATION
Both V.35 and RS-232 line signaling and connectors are provided on the rear of the unit for port 1. Port
2 is supported with a DB-25 RS-232 interface only. Limited Distance Modem operation is available on
the 6420 with one unit configured with a master clock setting. At 56Kbps, depending upon wire gauge,
the 6420 can operate error-free at up to ten miles distance.

SETTINGS AND DIAGNOSTICS
Three pushbutton switches allow for easy management of the through port and line settings, selection
of an operational display, and performing diagnostics. Diagnostics include Self-Test, Digital Loop, Local
Loop, and Remote Loop. The unit can quickly isolate network faults and minimize network downtime.
Even if the ports are accidentally misconfigured, a factory reset is as simple as pressing all three but
tons while powering up.

ELECTRICAL
Electrical requirements are supplied by an external power transformer that accepts 117VAC and sup
plies 10VAC to the 6420. The electrical connection is therefore free from any dangerous voltages on
the PC board itself. UL and CSA approvals exist for the power transformer separately from the unit. -48 and -130VDC versions are also available.

INDUSTRIAL STRENGTH
The 6420 is packaged in an aluminum enclosure with steel front and rear panels, providing a durable
enclosure for industrial environments. Front panel controls use dome switches protected by a polycar
bonate cover. We also offer high temperature and humidity enhancements.

SUPPORT
No long voice mail menus and no “DJ” telling you how long your wait will be. Real, living people answer
our phones to assist you. Our five year warranty and first year free overnight replacement policy contin
ues to demonstrate our commitment to you.

KEY FEATURES
• Split one DDS Line into Two High-Speed Subchannels
• Easy Configuration & Management
• Complete Diagnostics
• Both V.35 (M.34) and RS-232 (DB25) Connectors
• Operates at all Common Speeds between 2,400bps and 64Kbps
• Limited Distance Modem operation available error-free up to ten miles

Supports the following DDS Data Rates:
56,000 bps 38,400 bps
19,200 bps 9,600 bps
4,800 bps 2,400 bps
Supports the following DTA Data Rates:
Async Speeds Sync Speeds
57,600 bps 64,000 bps 28,800 bps
38,400 bps 19,200 bps 19,200 bps 14,400 bps
9,600 bps 4,800 bps 9,600 bps 4,800 bps
2,400 bps 1,200 bps 2,400 bps 1,200 bps
600 bps 300 bps 600 bps

64,000 bps (Clear Channel or Limited Distance Modem)
MODE: Sync/Async

CHARACTER FORMAT: 8 bit sync, 5, 6, 7, 8 async

DTE INTERFACE: DB25(RS-232) female and
M34(V.35) female

NETWORK INTERFACE: RJ48S 4 wire female
connector

DB LINE SENSITIVITY: -50dB

MULTI SPEED SELECT: Yes

FRONT PANEL: LCD/LED

LINE PORT UTILIZATION: Tx% and Rx%

MENU CONTROL: “Select”, “Advance”, and
“Enter” buttons

LCD SCREEN: Multiple Real-Time
Presentations Available

COMPOSITE LEAD In Svc: In Service
STATUS: Car Det: Carrier Detect
Req Send: Request to Send
lr Send: Clear to Send
Send Data: Send Data
Recv Data: Receive Data
DIAGNOSTICS: Self Test: Self Test
Dgtl Loop: Digital Loop
Local Loop: Local Loop
Rmt Loop: Remote Loop

5 MINUTE OPERATIONAL Returns to normal operation
TIMER: from any test mode after
5 minutes

CCITT COMPLIANCE: V.54 Diagnostics

OPERATING ENVIRONMENT: Temperature 0-70°C
95% humidity non-condensing

STORAGE ENVIRONMENT: Temperature 0-70°C
95% humidity non-condensing

ALTITUDE: 10K operating
40K non operating

DIMENSIONS: 7.8”W x 6.75”D x 2.5”H

INTERFACE PROTECTION: FCC Part 68

POWER REQUIREMENTS: 117VAC, 47 -63hz, external
transformer

WEIGHT: Approx. 2 lbs

“EAGLE” MODELS: 6420 Desk Top Unit
6420R Rack Mount Unit

Model # Description Availability
ATL-6420 ATL, Two Channel Tdm + Csu/Dsu, V.35 & Rs232, Lcd In-Stock