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GAI-Tronics LE200-RM RACK-MOUNT PAGE/PARTY, Manual

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Pub. 42004-392G 

GAI-TRONICS  3030 KUTZTOWN RD.  READING, PA  19605 

USA

 610-777-1374  

  800-492-1212  

  Fax:  610-796-5954 

V

ISIT WWW

.

GAI

-

TRONICS

.

COM FOR PRODUCT LITERATURE AND MANUALS

 

G A I - T R O N I C S ®  

A   H U B B E L L   C O M P A N Y  

Model LE200-RM 

Rack-Mount Page/Party

®

 Line Extender 

T

A B L E   O F  

C

O N T E N T S

Confidentiality Notice .....................................................................................................................1

 

General Information .......................................................................................................................1

 

Line Extender and Sub-Component Details ......................................................................................... 2

 

PCBA Access ........................................................................................................................................................ 3

 

Audio Termination Connection Module – Optional Model 12118-011 Kit .......................................................... 4

 

Input/Output (I//O) Termination Connection Module – Optional Model 12118-012 Kit ..................................... 5

 

Main PCBA........................................................................................................................................................... 6

 

Features and Functions ..................................................................................................................7

 

Page Line Audio Transmission .............................................................................................................. 7

 

Page Line Audio Monitoring Output .................................................................................................... 8

 

Page Line Audio Detect Output Contact .............................................................................................. 9

 

Page Line FSK Data Transmission (SmartSeries Systems) ................................................................ 9

 

Page Line 50 kHz VLC Transmission ................................................................................................. 10

 

Page Line Ground Fault Detection ...................................................................................................... 10

 

Page Line Ground Fault Re-generation .............................................................................................. 11

 

Page Line Ground Fault Output Contact ........................................................................................... 11

 

Party Line Audio Transmission ........................................................................................................... 12

 

Party Line Off-Hook Regeneration ..................................................................................................... 12

 

Party Line Off-Hook Detection ............................................................................................................ 13

 

Audio Line Connection Relays ............................................................................................................ 14

 

Audio Line Muting ................................................................................................................................ 15

 

Page/Party

® 

Line Balance ..................................................................................................................... 16

 

Contact Closure Inputs & Relay Outputs (I/0) .................................................................................. 17

 

Echo Cancellation ................................................................................................................................. 17

 

Manual Initiation of Echo Canceling .................................................................................................................. 17

 

Data Links between Line Extenders .............................................................................................18

 

T1/E1 Data Link .................................................................................................................................... 18

 

Low Voltage Differential Signaling (LVDS) Data Link ..................................................................... 18

 

Configuring the Data Links ................................................................................................................. 19

 

Summary of Contents for LE200-RM RACK-MOUNT PAGE/PARTY

Page 1: ...eatures and Functions 7 Page Line Audio Transmission 7 Page Line Audio Monitoring Output 8 Page Line Audio Detect Output Contact 9 Page Line FSK Data Transmission SmartSeries Systems 9 Page Line 50 kHz VLC Transmission 10 Page Line Ground Fault Detection 10 Page Line Ground Fault Re generation 11 Page Line Ground Fault Output Contact 11 Party Line Audio Transmission 12 Party Line Off Hook Regenera...

Page 2: ...eries Connection of Page Party System 25 Rules for Interconnecting More than Two Model LE200 RMs 26 Installation 28 Mounting 28 Tabletop Mounting 28 Wiring 28 Power Connections 28 Page Party System Cable Connection 28 T1 E1 Data Connections 29 Contact Closure Input Connections 30 Contact Closure Output Connections 31 Page Line Audio Monitoring Connections 33 Verifying the Proper Line Balance Resis...

Page 3: ...o the information contained herein and such information may only be used in connection with the operation of your GAI Tronics product or system This manual may not be disclosed in any form in whole or in part directly or indirectly to any third party General Information The Model LE200 RM Rack Mount Page Party Line Extender is used in pairs to extend the operating distance of Page Party SmartSerie...

Page 4: ...2 of 56 e standard ioms current release 42004 instr manuals 42004 392g doc 09 14 Line Extender and Sub Component Details Refer to Figure 2 below for dimensional information and sub component layout of the LE200 RM Line Extender Figure 2 Model LE200 RM Line Extender Outline ...

Page 5: ...ease 42004 instr manuals 42004 392g doc 09 14 PCBAAccess The Main PCBA can be easily accessed to set up switches and jumpers Remove the two 6 32 screws from the rear of the unit Slide the PCBA support plate and PCBA out of the unit See Figure 3 Figure 3 Access to the Model LE200 RM Line Extender s Main PCBA ...

Page 6: ...o a Page Party system This kit consists of a ribbon cable for connection to the LE200 RM an Audio Termination Connection Module for connection to the Page Party system and mounting hardware The page line and party line 1 5 conductors of the Page Party system cable connect to the Audio Termination Connection Module This module also can provide the 33 ohm line balance resistance needed for the audio...

Page 7: ...connected directly to I O wiring then the GAI Tronics Model 12118 011 Kit is required This kit consists of a ribbon cable for connection to the LE200 RM an I O Termination Connection Module and mounting hardware The I O Termination Connection Module is for connecting the control wiring needed to send contact closures across the Line Extenders I O features and functions are described later in this ...

Page 8: ... Main PCBA contains all the central processing and line driver circuitry for the Line Extender The board contains numerous connectors switches and jumpers for setting the Line Extender operating parameters Figure 6 below identifies the various components on the Main PCBA Features and functions of each are described later in this manual Figure 6 69443 xxx Main PCBA ...

Page 9: ...l it is continuously below the Peak Voltage Level Detection Threshold for the Transmission Direction Hold Time The DIP switch SW2 positions 5 7 located on the Main PCBA selects Peak Voltage Level Detection Threshold and Transmission Direction Hold Time Refer to Figure 6 for the location of switch SW2 on the Main PCBA and Table 1 and Table 2 below for setting options Table 1 Transmission Direction ...

Page 10: ...ch SW3 positions 5 8 on the Main PCBA Refer to Figure 6 for the location of switch SW3 on the Main PCBA and Table 3 below for setting options Table 3 Page Line Monitor Output Gain Setting on Main PCBA SW3 5 SW3 6 SW3 7 SW3 8 Monitor Output Gain Open Open Open Open 0 dB Closed Open Open Open 30 dB Open Closed Open Open 27 dB Closed Closed Open Open 24 dB Open Open Closed Open 21 dB Closed Open Clos...

Page 11: ...ne audio activates the contact Open Open Both local and remote page line audio activates the contact NOTES 1 Changes to this parameter take effect without cycling power 2 Indicates default position Page Line FSK Data Transmission SmartSeries Systems A pair of Model LE200 RM Line Extenders re generates the FSK data transmission between two SmartSeries Page Party system cables FSK data transmission ...

Page 12: ...VLC operation is only used within NON SmartSeries systems If both VLC and FSK are enabled at the same time neither feature will function correctly Page Line Ground Fault Detection The Model LE200 RM Line Extenders provide page line ground fault detection on the local Page Party system cable If multiple LE200 RMs are connected to the same Page Party system cable segment only one page line ground fa...

Page 13: ... system control cabinet Disable this feature if the Line Extender is not installed in this type system 2 Changes to this parameter take effect without cycling power 3 Indicates default position Page Line Ground Fault Output Contact The Model LE200 RM provides a relay contact that activates whenever a ground fault is detected on the local page line remote page line or both the page lines The ground...

Page 14: ...lines are muted when no handset stations are in use Closed Disabled party line audio is never muted NOTES 1 Changes to this parameter take effect without cycling power 2 Indicates default position Party Line Off Hook Regeneration When an off hook handset station is detected the LE200 RM can transmit the off hook condition to remote Line Extenders so that it is duplicated on the remote Page Party s...

Page 15: ...l shorting clips P6 P15 are used to enable the off hook detection feature on party line 1 through 5 Two shorting clips are associated with each party line and must be set to the same position for proper operation The party lines 1 5 are configured independently Refer to Figure 6 for the location of P6 P15 on the Main PCBA and Table 12 below for setting options Table 12 Party Line Off Hook Detectio...

Page 16: ...o control the audio line disconnect feature Refer to Figure 6 for the location of SW4 on the Main PCBA and Table 13 below for setting options Table 13 Audio Line Connection Relay Settings on Main PCBA Audio Line Switch SW4 Setting Field Wiring Party line 5 SW4 1 Open Disconnected Closed Connected Party line 4 SW4 2 Open Disconnected Closed Connected Party line 3 SW4 3 Open Disconnected Closed Conn...

Page 17: ...ted DIP switch SW6 position 4 on the Main PCBA enables this feature If this feature is enabled it is unnecessary to disconnect the audio lines using the audio line relays mentioned above Refer to Figure 6 for the location of SW6 on the Main PCBA and Table 14 below for setting options Table 14 Audio Line Mute Setting on Main PCBA SW6 4 Mute Analog Lines Setting Open Disabled Party lines 1 5 and pag...

Page 18: ...DVANCE Page Party Interface PPI card disable the line balance for party lines 1 2 and the page line The PPI card provides the line balance resistors for these audio lines Refer to Figure 4 for the location of the jumpers and potentiometers on the Audio Termination Connection Module and the Table 15 for setting details Table 15 Page Party Line Balance Settings on Audio Termination Connection Module...

Page 19: ...rough 5 The echo cancellation process takes approximately 15 seconds and is performed automatically one minute after power is applied to the LE200 RM This delay allows all power levels to stabilize prior to performing echo cancellation NOTE Signal impulses are transmitted onto the party lines during the echo cancellation process Handset stations that are in use on a party line will hear the signal...

Page 20: ...ipped with a T1 E1 fiber optic modem The distance between Line Extenders determines the type of connection needed Copper wire connections between the Line Extenders require a two pair cable and will operate at a distance of up to 6000 feet using No 22 AWG wire For distances greater than 6000 feet a T1 E1 fiber optic transceiver and fiber optic cable must be used NOTE The Model LE200 RM is NOT desi...

Page 21: ...tting details Table 17 Data Format Setting on Main PCBA SW5 8 Format Open T1 Mode 1 544 Mbps 24 channel Closed E1 Mode 2 048 Mbps 32 channel NOTES 1 Changes to this parameter take effect after cycling power 2 Indicates default position T1LineBuild outSettings This option allows the user to control the wave shape being output by the transmitter This helps to correct problems related to long copper ...

Page 22: ...1 Mode E1 Mode Open up 36 dB long haul 12 dB short haul Closed down 15 dB limited long haul 43 dB long haul NOTES 1 Changes to this parameter take effect without cycling power 2 Indicates default position T1 E1ClockSource For each pair of Line Extenders one Line Extender must be the master clock source The other unit must be the slave The slave unit receives the clock from the master DIP switch SW...

Page 23: ...oating 2 3 T1 E1 Rx line grounded Removed T1 E1 Rx line floating P21 1 2 T1 E1 Tx line floating 2 3 T1 E1 Tx line grounded Removed T1 E1 Tx line floating Indicates default position NOTE Do not ground the T1 E1 lines at both ends Doing so will create a ground loop LVDSDataLinkSettings The LVDS in port is disabled unless it is receiving a signal from LVDS out from another Line Extender Switch SW3 po...

Page 24: ...Enable Disable LVDS OUT Port Open LVDS out is disabled Closed LVDS out is enabled NOTES 1 Changes to this parameter take effect without cycling power 2 Indicates default position NOTE Do not connect LVDS in to LVDS out on the same Model LE200 RM Doing so creates a feedback path that usually results in extremely loud oscillations on the page line all party lines and possibly the contact outputs LVD...

Page 25: ...ronics for technical support of connection schemes not shown in this manual Point to PointPage Party SystemConnection Figure 7 Point to Point Page Party System Connection Table 24 Point to Point Page Party System Connection Table Parameter Switch Configuration Description T1 Line Length SW2 Determined by installation distance between LE200 RMs T1 E1 Clock Source SW3 1 SW3 2 Unit A is the master cl...

Page 26: ...1 SW3 2 Units A B and C are the master T1 E1 clock sources SW3 1 open SW3 2 open Unit D is a slave and uses the T1 E1 clock from Unit A SW3 1 closed SW3 2 closed Unit E is a slave and uses the T1 E1 clock from Unit B SW3 1 closed SW3 2 closed Unit F is a slave and uses the T1 E1 clock from Unit C SW3 1 closed SW3 2 closed LVDS Data Line SW3 3 SW3 4 LVDS data link is used between units A B and C Un...

Page 27: ...een each pair of Line Extenders A to B C to D T1 E1 Clock Source SW3 1 SW3 2 Units A and C are the master T1 E1 clock sources SW3 1 open SW3 2 open Unit B is the slave and uses the T1 E1 clock from Unit A SW3 1 closed SW3 2 closed Unit D is the slave and uses the T1 E1 clock from Unit C SW3 1 closed SW3 2 closed LVDS Clock Source SW3 3 SW3 4 LVDS clock is used between units B and C Unit B in disab...

Page 28: ... Maximum Series Connections When the Model LE200 RMs are connected in series a problem can arise when training the echo cancellation If more than one Model LE200 RM is training echo cancellation on a signal line at the same time then none of them will train echo cancellation properly To prevent this power each Line Extender one at a time Wait for the echo cancellation to complete on the first Line...

Page 29: ...re 12 Invalid Loop Connection of Page Party Systems All contact input states are ORed together to determine a contact output state All remote page line audio detected states are ORed together to determine the state of the page line audio detected relay contact output All remote page line ground fault states are ORed together to determine the state of the page line ground fault relay contact output...

Page 30: ...f the Model LE200 RM is to be placed on a table or desk install the five stabilizing feet Wiring Pressure type terminal blocks are provided on the optional Model 12118 011 and 12118 012 Connection Module Kits for connecting the incoming field wiring The terminal blocks can support a wire size of No 24 AWG to 12 AWG It is recommended that the installer crimp ferrules on the end of each wire before ...

Page 31: ...audio P5 6 P8 6 PARTY 2 L2 Tan violet P5 7 P8 7 PARTY 3 L1 Blue Party line 3 audio P5 8 P8 8 PARTY 3 L2 Tan blue P5 9 P8 9 PARTY 4 L1 Brown Party line 4 audio P5 10 P8 10 PARTY 4 L2 Tan brown P5 11 P8 11 PARTY 5 L1 Yellow Party line 5 audio P5 12 P8 12 PARTY 5 L2 Tan yellow T1 E1DataConnections A two pair cable is required for the T1 E1 data line connection between Line Extenders Connect the T1 E1...

Page 32: ...edback path that usually results in extremely loud oscillations on the page line and the party lines The contact outputs may also activate ContactClosureInputConnections Contact inputs are typically connected to switches or mechanical relay contacts Five inputs are available on Model 12118 012 Kit with each input requiring two conductors Connect the normally open contact across the top and bottom ...

Page 33: ...put 5 ContactClosureOutputConnections Seven relay outputs are provided Each relay output provides two contact sets and each contact set consists of normally open NO common C and normally closed NC contacts Outputs 1 5 are activated by inputs 1 5 on the remote Line Extender Output 6 is activated when page line audio is detected and output 7 is activated when a page line ground fault is detected Ter...

Page 34: ...s Terminal Designator Description TB1 Top N C Output 1 contact 1 COM N O TB1 Bottom N C Output 1 contact 2 COM N O TB2 Top N C Output 2 contact 1 COM N O TB2 Bottom N C Output 2 contact 2 COM N O TB3 Top N C Output 3 contact 1 COM N O TB3 Bottom N C Output 3 contact 2 COM N O TB4 Top N C Output 4 contact 1 COM N O TB4 Bottom N C Output 4 contact 2 COM N O TB5 Top N C Output 5 contact 1 COM N O ...

Page 35: ... O PageLineAudioMonitoringConnections The Model LE200 RM provides a balanced 600 ohm audio output for monitoring audio on both the local and remote page lines Connect any external audio input device audio recorder radio transmitter amplifier etc to the audio line monitoring terminals using a twisted pair cable The input impedance of the audio device should be 600 ohms or greater Terminals are loca...

Page 36: ...uts due to the line loss of the cable resistance A system showing these characteristics should have distributed line balancing For reference if a line balance is installed at both ends of one mile of 18 gauge cable then both line balances should be set to nominally 46 7 ohms The one mile of cable provides approximately 33 ohms of resistance in each leg the resulting series parallel combination wil...

Page 37: ...r transceiver GTRFP6972 202 as shown below in Figure 17 Figure 17 T1 E1 Fiber Optic Transceiver top view Transceiver GTRFP6972 201 requires multi mode fiber optic cable and Transceiver GTRFP6972 202 requires single mode fiber optic cable With either model the fibers must be terminated with ST type connectors The fiber optic cables between Line Extenders must be connected in a cross over fashion me...

Page 38: ...e 42004 instr manuals 42004 392g doc 09 14 Fiber Optic Transceiver Set Up The Fiber Optic Transceiver contains two DIP switches as shown below To access the switches the module must be removed from the chassis Loosen the screw and pull out the transceiver module Figure 19 DIP Switches on Fiber Optic Transceiver ...

Page 39: ...ill pass through the fiber to the other end as if there were one long T1 E1 connection Use these settings to insure proper operation of the Model LE200 RM Line Extender Table 32 Factory Settings for the Fiber Optic Transceiver Function Factory Setting T1 E1 mode T1 Receive Equalizer Gain Limit EGL 30 dB Limited Long Haul Line encoding AMI passive mode Transmit LIU wave shape Build out DSX 1 0 to 1...

Page 40: ...6 ON ON ON 75 ohms OFF ON ON 125 ohms ON ON OFF 75 S ohms with High Return Loss OFF ON OFF 125 S ohms with High Return Loss T1 S2 4 S2 5 S2 6 ON ON ON DSX 1 0 to 133 feet 0 dB CSU default setting OFF ON ON DSX 1 133 to 266 feet ON OFF ON DSX 1 266 to 399 feet OFF OFF ON DSX 1 399 to 533 feet ON ON OFF DSX 1 533 to 655 feet OFF ON OFF 7 5 dB CSU ON OFF OFF 15 dB CSU OFF OFF OFF 22 5 dB CSU Receive ...

Page 41: ...nabled only at the REMOTE end S3 2 OFF Remote management disabled only at the LOCAL end default setting Loopback Selection S3 3 ON S3 4 ON None default setting S3 3 OFF S3 4 ON Local loopback S3 3 ON S3 4 OFF Analog loopback S3 3 OFF S3 4 OFF Remote loopback Monitor Boost Mode S3 5 ON S3 6 ON Normal operation No boost default setting S3 5 OFF S3 6 ON 20 dB S3 5 ON S3 6 OFF 26 dB S3 5 OFF S3 6 OFF ...

Page 42: ... LNK Glows green when a link is NOT established PBEO Only used when the Transmit Data Source option is set to PRBS This LED will glow amber when the module receives errors and will stay dark when the converter receives a PRBS without errors Table 36 Fiber Optic Port Indicators Indicator Function NRZ Glows green when the NRZ mode is enabled RM Glows green on the remote unit when remote management i...

Page 43: ...stor enabled disabled P6 Jumper clip Party line 5 line balance resistor enabled disabled P7 Jumper clip Page line balance resistor enabled disabled P5 P8 Terminal block Page line Terminals 1 and 2 Party line 1 Terminals 3 and 4 Party line 2 Terminals 5 and 6 Party line 3 Terminals 7 and 8 Party line 4 Terminals 9 and 10 Party line 5 Terminals 11 and 12 R3 Potentiometer Party line 3 line balance re...

Page 44: ... Terminal block Field connections for contact output 4 The board s silkscreen indicates the connections the pin numbers are not labeled TB5 Terminal block Field connections for contact output 5 The board s silkscreen indicates the connections the pin numbers are not labeled TB6 Terminal block Field connections for page audio detected contact output The board s silkscreen indicates the connections ...

Page 45: ...p Party line 5 off hook detector enabled disabled P8 P9 Jumper clip Party line 4 off hook detector enabled disabled P10 P11 Jumper clip Party line 3 off hook detector enabled disabled P12 P13 Jumper clip Party line 2 off hook detector enabled disabled P14 P15 Jumper clip Party line 1 off hook detector enabled disabled P16 Terminal block Page line monitor output Terminals 1 and 3 No connection Term...

Page 46: ...itor volume bit 4 SW4 8 position DIP switch Position 1 Party line 5 connect disconnect Position 2 Party line 4 connect disconnect Position 3 Party line 3 connect disconnect Position 4 Party line 2 connect disconnect Position 5 Party line 1 connect disconnect Position 6 Page line connect disconnect Position 7 Page line monitor output connect disconnect Position 8 Not used SW5 Eight position DIP swi...

Page 47: ...rty line 4 P4 Party line 1 P6 Party line 5 P7 Page line Table 41 Line Balance Resistance on Audio Line Termination Connection Module Potentiometer Setting Note R3 Party line 3 R4 Party line 2 R19 Party line 4 R20 Party line 1 R23 Party line 5 R24 Page line Table 42 Off hook and Ground Fault Detection on Main PCBA Header Setting Note P5 Page line ground fault detector P6 P7 Party line 5 off hook de...

Page 48: ...p Used during testing only Table 44 DIP Switch SW3 on Main PCBA Switch Setting Function SW3 1 T1 E1 master slave SW3 2 SW3 3 Enable LVDS in SW3 4 Enable LVDS out SW3 5 Monitor volume SW3 6 SW3 7 SW3 8 Table 45 DIP Switch SW4 on Main PCBA Switch Setting Note SW4 1 Party line 5 connection to terminal board SW4 2 Party line 4 connection to terminal board SW4 3 Party line 3 connection to terminal boar...

Page 49: ...ound fault activates output contact SW5 5 Remote ground fault activates output contact SW5 6 Local page audio activates output contact SW5 7 Remote page audio activates output contact SW5 8 Select T1 mode or E1 mode Table 47 DIP Switch SW6 on Main PCBA Switch Setting Note SW6 1 Startup delay of echo cancellation training SW6 2 Local party line off hook regeneration SW6 3 On hook party line muting ...

Page 50: ...lected Page Party Line Selected Tone SW2 5 SW2 6 SW2 7 SW2 8 1 Party line 1 7 kHz sine wave Open Open Open Closed 6 Page line 4 kHz sine wave Closed Open Open Closed 2 kHz sine wave Open Closed Open Closed 1 kHz sine wave Closed Closed Open Closed 500 Hz sine wave Open Open Closed Closed 125 Hz sine wave Closed Open Closed Closed 1 kHz saw tooth wave Open Closed Closed Closed 31 Hz pulses Closed C...

Page 51: ...dom waveform containing all signals above Closed Open Closed Closed NOTE Remember to restore SW1 to 0 and SW2 to its initial setting when no longer generating test signals Table 51 Activate Contact Closure Outputs SW1 Selected Function SW2 SW2 8 7 Activate contact output 1 SW2 1 Closed Closed Activate contact output 2 SW2 2 Closed Closed Activate contact output 3 SW2 3 Closed Closed Activate conta...

Page 52: ...ic switched telephone network Encoding High Density Bipolar 3 HDB3 Framing Cyclic Redundancy Check 4 CRC4 Signaling Common Channel Signaling CCS Copper Cabling Type Twisted pair data cable i e CAT5 shielding recommended Cable characteristic impedance T1 E1 100 120 nominal Maximum cable length 6 000 feet 1 8 km No 22 AWG Maximum attenuation 24 dB Fiber Cabling using optional transceiver GTRFP6972 1...

Page 53: ...range within inside 32 914 frequency 34 133 Hz nominal FSK high frequency release range beyond outside 31 779 frequency 36 864 Hz nominal FSK low frequency capture range within inside 29 729 frequency 31 779 Hz nominal FSK low frequency release range beyond outside 27 106 frequency 31 779 Hz nominal Page line data voltage detected range 100 mVrms Page line data voltage not detected range 4 0 mVrms...

Page 54: ...oupled nominal Gain error 3 dB 1 020 Hz sine wave 0 dB ref 1 5 Vrms 33 impedance both ends Distortion noise THD 1 0 1 020 Hz sine wave 0 dB ref 1 5 Vrms 33 impedance both ends Sampling rate 16 000 samples per second 32 ppm Encoding Linear Direction Full duplex NOTE Refer to text for considerations when connecting LE200 RMs in series Party Line 2 to 5 Audio between Two LE200 RMs Frequency response ...

Page 55: ...sistance when not generating ground fault 1 M NOTE The resistance is from the center tap of the page line coupling transformer to ground Party Line Off hook detection DC resistance between L1 and L2 for off hook 300 DC resistance between L1 and L2 for on hook 30 000 Minimum off hook duration for detection 50 milliseconds nominal Minimum on hook duration for detection 5 seconds nominal On hook to o...

Page 56: ... not prevent the LE200 RM from powering up properly 7 Be aware of the ground loop s formed when using wet contact inputs Fiber Optic Transceiver using optional transceiver Nominal Voltage 48 V dc Maximum Current 500 mA Optical Port Type ST Wavelength GTRFP6972 102 chassis with GTRFP6972 201 transceiver 1310 nm GTRFP6972 102 chassis with GTRFP6972 202 transceiver 1310 nm Range dB km NOTE The maximu...

Page 57: ... 14 Mechanical Enclosure material Steel Mounting Rack mount IU Standard 19 inch Unit dimensions 1 72 H 17 W 9 66 D inches 431 245 44 mm nominal Unit weight 9 5 lbs Environmental Temperature range 0 to 50 C 32 to 122 F Relative humidity 10 85 non condensing Replacement Parts Part Number Description 51809 008 Fuse 2 A 69443 002 Line Extender Main PCBA ...

Page 58: ...e T1 E1 cable A No Q Why is the LE200 RM not compatible with the public switched telephone network A 1 It is not approved for such use 2 At a minimum it does not support the facility data link transmission required for such use Q Can I connect a Model LE300 to an LE200 RM A Yes these units are electrically compatible only mechanical changes were made between the LE200 and LE300 Q Can I connect a M...

Page 59: ... of the Contractor s personnel from the work site Re performance of services shall be Buyer s sole and exclusive remedy and in no event shall GAI Tronics warranty obligations with respect to services exceed 100 of the total cost of the services provided hereunder Warranty Periods Every claim by Buyer alleging a defect in the goods and or services provided hereunder shall be deemed waived unless su...

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