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EAST COAST DATACOM, INC.
5.0
–
TECHNICAL SPECIFICATIONS
Application
Multiple sync/async terminal or DTE devices
operating in a polled environment, to share one
Modem
Capacity
One to four RS-232 Sync/Async devices
Interface
EIA RS-232, CCITT V.24 using DB-25 female
connectors
Data
Rates
Up to 19.2Kbps (Higher Rates can be utilized)
Data
Format
Data transparent at all data rates
Timing
External; from attached Modem
Handshaking
RTS / CTS
OR-MODE (Switch on Data)
Anti
‐
Streaming
Automatic…Selectable time out intervals
Disable……Selectable via dip switch
Terminal
Service
Modes
Rotational sequence for equal access
Priority Mode Optional
Front
Panel
Indicators:
Power, CTS, DCD, RXD, TXD
Channel Active
Switches:
Enable/Disable of each Sub-channel
Power
Source
100-120 to 200-220VAC @10%, 50-60Hz,
0.16A/0.08A, external 110/220 volt select switch,
IEC Power Inlet, Double Fused, (2) 5mm Fuses
Dimensions
MSD
‐
4
Height ....... 2.53 inches (6.426 CM)
Width ........ 12.13 inches (30.810 CM)
Length ....... 11.13 inches (28.270 CM)
Weight
6 pounds (2.72Kg)
Warranty
Three Years, Return to Factory
MTBF
601,328 Hours
Benign Ground, Controlled, Telcordia Issue 1
Approvals
–
EMI
/
Safety
/
Environmental
EMI Approvals
FCC 47CFR, Part 15, Subpart B for conducted
emissions from a Class A
FCC 47CFR, Part 15, Subpart B for radiated
emissions from a Class A
Safety Approvals
UL 62368-1
ESD - Electric Discharge Approval
IEC EN-61000-4-2, Level 4
Environmental Testing Approvals
ETSI EN 300 019-2-4 v2.4.6 (2018-03)
Operating Temperature: 50º to 160º F (10º to 60º C)
Operational Alt.: 0 to 2000 Meters above sea level
Operational Relative Humidity: 10% to 80%
Non-Operational Temperature: -30 degC to 70 degC
Non-Operational Alt.: 0 to 50,000 feet above sea
level
ORDERING
INFORMATION
PT# 101012
Model: MSD-4
Description: 4-Port RS-232 Modem Sharing Device
INCLUDED WITH EACH UNIT:
1) Operations Manual
2) U.S.A. Grounded Power Cord, Part # 713015
3) Optional Power Cords
A) United Kingdom, Part # 713016
B) Continental Europe, Part # 713017
OPTIONAL ACCESSORIES
1) Spare MSD-4 Power Entry Fuses
A) 0.160ma Fuse, Qty (2) Part # 714000
B) 0.080ma Fuse, Qty (2) Part # 714001
