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USER MANUAL, MSD-4, PT# 101012 

P a g e

 | 

5

 

EAST COAST DATACOM, INC. 

 

 

3.3

      

POWER

 

CONNECTION

 

 

Before connecting the MSD-4 to an AC power source the top cover should be installed with the 
supplied #4-40 screws.  AC power is supplied to the MSD-4 via the supplied power cord 

terminated by a grounded 3-prong plug.  Select an appropriate location accessible to and within 
four to five feet of an AC outlet.  The AC Power source MUST be grounded.

 

 

3.4

 

INTERNAL

 

DIP

 

SWITCH

 

AND

 

PIN

HEADER

 

SETTINGS

 

 

Remove the power to set the dip switch and jumper settings. 

 

3.4.1

 

SW1

 

Dip

 

Switch

 

Settings

 

 

The following options are supported on SW1 Dip Switch 

 

3.4.1.2

 

Anti

Streaming

 

(SW1

4)

 

 

Anti

Streaming

 is set with Dip Switches 

SW1

 

1

4

 as shown in the chart below.   

To Disable 

Anti

Streaming,

 set dip switches 

SW1,

  

1

4

 all to the OFF position. 

 

Anti

Streaming

 

Time

out

 

SW

1

 

SW

2

SW

3

SW

4

 

Time

 

(Sec)

OFF

 

OFF

 

OFF

 

ON

 

0.02

 

ON

 

OFF

 

OFF

 

ON

 

0.04

 

OFF

 

ON

 

OFF

 

ON

 

0.08

 

ON

 

ON

 

OFF

 

ON

 

0.3

 

OFF

 

OFF

 

ON

 

ON

 

1

 

ON

 

OFF

 

ON

 

ON

 

5

 

OFF

 

ON

 

ON

 

ON

 

20

 

ON

 

ON

 

ON

 

ON

 

40

 

OFF

 

OFF

 

OFF

 

OFF

 

Disabled

 

  

 

 

3.4.2.2

 

 

Channel

 

Service

 

Modes

 

(SW1

5)

 

 

Dip Switch position 

SW1

5

 provides the sub-channel service modes of operation.  The ON 

position provides 

SEQUENTIAL

 

SCANNING

.  The OFF position provides the 

PRIORITY

 

MODE

, with 

sub-channel 1 having the highest priority over all other attached Sub-channels. 

 

3.4.2.3

 

 

Frame

 

to

 

Signal

 

Ground

 

(SW1

6)

 

 

Dip Switch position 

SW1

6

 provides the following functions: 

ON (or up) RS-232 DB-25 Pin # 1, (Frame Ground) Connected to Pin # 7, (Signal Ground). 

OFF (or down) RS-232 DB-25 Pin # 1, (Frame Ground) Not Connected Pin # 7, (Signal Ground).

Содержание 101012

Страница 1: ...m Sharing Device Ordering Part Number 101012 Manufactured By East Coast Datacom Inc FOR TECHNICAL SUPPORT CALL East Coast Datacom Inc 245 Gus Hipp Blvd STE 300 Rockledge FL 32955 U S A TEL 321 637 9922 Email support ecdata com Web Address www ecdata com Publication 719008 Rev A ...

Страница 2: ...7 2 Manual DTE Removal 4 2 7 3 Unexplained Streaming Terminals 4 2 8 Dial Modem Support 4 2 9 Cascading or Concatenation 4 CHAPTER 3 INSTALLATION 4 3 1 Voltage Selection 4 3 2 Voltage Selection Fuses 4 3 3 Power Connection 5 3 4 INTERNAL DIP SWITCH AND PIN HEADER SETTINGS 5 3 4 1 SW1 Dip Switch Settings 5 3 4 1 2 Anti Streaming SW1 4 5 3 4 2 2 Channel Service Modes SW1 5 5 3 4 2 3 Frame to Signal ...

Страница 3: ...nformation contained herein is proprietary to East Coast Datacom Inc Any reproduction or redistribution of this publication in whole or in part is expressly prohibited unless written authorization is provided by East Coast Datacom Inc WARRANTY NOTICE WARRANTIES East Coast Datacom Inc hereafter referred to as E C D warrants that its equipment is free from any defects in materials and workmanship Th...

Страница 4: ...hannels The user is presented with two modes of operation for terminal access The first mode is the attached terminal device s that raises the RTS control signal is automatically given control of the MSD channel until data transmission is complete The second mode is the attached terminal device s that transition data from Mark to Hold is automatically given control of the MSD until data transmissi...

Страница 5: ...uminates when AC Power has been applied Four adjacent Green LEDs illuminate and identify CTS DCD RXD and TXD on the Master Ports RS 232 signal status Sub channel Ports A thru D Active LED s are also green and only one of the four LED s will ever illuminate at a single time when a sub channel is active Yellow LEDs are provided as a visual indication of a streaming sub channel the LEDs illuminate on...

Страница 6: ...ub channels can communicate back to the host at the same time 2 6 DATA BROADCAST ONLY APPLICATIONS The MSD 4 may be used in Data Clock Broadcast applications This can be accomplished by several methods One Disable the Front Panel switches and RXD and Clock from the Master Port will always continue outbound to all sub channels And data cannot be sent back to the Master Port Two Remove Pin 2 TXD fro...

Страница 7: ...r long unterminated cables 2 8 DIAL MODEM SUPPORT The MSD 4 support dial modem applications by connecting the DTR jumper pin for each DTE port The jumper pin enables disables the DTR signal to each DTE sub channel If a dial modem is used with terminals all DTR jumpers must be enabled JP15 JP 18 2 9 CASCADING OR CONCATENATION The MSD 4 supports cascading and the user simply needs to use DB 25 Male ...

Страница 8: ...ip Switches SW1 1 4 as shown in the chart below To Disable Anti Streaming set dip switches SW1 1 4 all to the OFF position Anti Streaming Time out SW 1 SW 2 SW 3 SW 4 Time Sec OFF OFF OFF ON 0 02 ON OFF OFF ON 0 04 OFF ON OFF ON 0 08 ON ON OFF ON 0 3 OFF OFF ON ON 1 ON OFF ON ON 5 OFF ON ON ON 20 ON ON ON ON 40 OFF OFF OFF OFF Disabled 3 4 2 2 Channel Service Modes SW1 5 Dip Switch position SW1 5 ...

Страница 9: ...2 3 Pass Normal JP6 RTS Master Port Operation 1 2 RTS to Master is forced ON 2 3 Normal RTS to Master port Any Sub channel port RTS gives RTS to master JP7 DTR Master Port Operation 1 2 DTR to Master is turned ON if any DTR from User ports is turned ON 2 3 DTR to Master is for forced on 3 7 SUB CHANNEL PORT OPTIONS JP1 JP2 JP3 JP4 CTS Sub Channel Control per port control 1 6 CTS to user port follo...

Страница 10: ...USER MANUAL MSD 4 PT 101012 P a g e 7 EAST COAST DATACOM INC OVERVIEW MSD 4 PCB SWITCH SETTINGS Figure 2 PCB OVERVIEW MSD 4 ...

Страница 11: ...F Receive Line Detector X 15 114 DB Send Timing X 17 115 DD Receive Timing X 20 108 2 CD Terminal Ready X 22 125 CE Ring Indication X 24 113 DA External Timing X SUB CHANNEL PORT IS A DCE Connect to a DTE Pin No CCITT Circuit Circuit Name Signal Description To DTE To DCE 1 Shield 2 103 BA Send Data X 3 104 BB Receive Data X 4 105 CA Request To Send X 5 106 CB Clear To Send X 6 107 CC DCE Ready X 7...

Страница 12: ...USER MANUAL MSD 4 PT 101012 P a g e 9 EAST COAST DATACOM INC OVERVIEW MSD 4 FRONT AND REAR VIEWS Figure 3 FRONT REAR VIEWS MSD 4 ...

Страница 13: ...2 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 D...

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