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TC Communications TC2100 User Manual

Rack mount/stand alone multi-drop (dual master self healing ring) fiber optic modem
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TC2100
RACK MOUNT/STAND ALONE
MULTI-DROP
(DUAL MASTER Self Healing Ring)
FIBER OPTIC MODEM
User's Manual
MODEL:
S/N:
DATE:
Although every effort has been made to insure that this manual is
current and accurate as of date of publication, no guarantee is given
or implied that it is error free or accurate with regard to any
specification. TC Communications, Inc. reserves the right to
change or modify the contents of this manual at any time without
prior notification.
©
COPYRIGHT 1992-2013. ALL RIGHTS RESERVED.
TC Communications, Inc. 17881 Cartwright Rd - Irvine, CA 92614
Tel: (949) 852-1972
Fax: (949) 852-1948
Notice!
Web Site: www.tccomm.com
Email: info@tccomm.com
MNL-21000-01-16

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Summary of Contents for TC Communications TC2100

  • Page 1 © COPYRIGHT 1992-2013. ALL RIGHTS RESERVED. TC Communications, Inc. 17881 Cartwright Rd - Irvine, CA 92614 Tel: (949) 852-1972 Fax: (949) 852-1948 Web Site: www.tccomm.com Email: info@tccomm.com...

  • Page 2: Table Of Contents

    TC2100 DM User's Manual Ver. 1.6 Table of Contents Chapter 1 - Overview .....................3 Description ..........................3 Operation of Self-Healing Ring .................... 4 Fiber Optic Ring's Integrity Monitors ................. 6 Cable Fault Detection between Slaves ................7 Dual Master Mode Description ....................8 Warranty Note ........................

  • Page 3: Chapter 1 - Overview

    (Slave) units (also referred to as Slave units). The Remote Terminal Unit (RTU) connected to the TC2100 (Slave) will respond only to the poll with that RTU's own specified ID (or address), which is embedded in the poll message. The communication between the Master and Slave is transparent to protocol and data rate;...

  • Page 4: Operation Of Self-Healing Ring

    RTU’s ID (or address), only the RTU with the correct ID responds to the Master’s polling. The TC2100’s function is to convert the electrical signal from the Host controller to a fiber optic signal and transmit that signal in both ring directions, as shown in Figure 2.
  • Page 5 TC2100 DM User's Manual Ver. 1.6 When an optic fault condition occurs, as shown in Figure 4, the self-healing function will detect the fault and reroute the data, as shown in Figure 5. Figure 4. Optic Fault Conditions Figure 5. Data Wrap Condition due to Fault #2 or #3 As Figure 6 below illustrates, should a cable breakage occur between Slave 1 and Slave 2, then Slave 1 and 2 will detect the fault and "wrap"...

  • Page 6: Fiber Optic Ring's Integrity Monitors

    A-Ring or B-Ring has breakage (See Figure 7). The TC2100 has two loop monitors, one for the A-Ring and one for the B-Ring. The monitoring signal originates from the Master unit and travels along the A-Ring and B-Ring. Each Slave relays the monitoring signal to the next unit.

  • Page 7: Cable Fault Detection Between Slaves

    Ver. 1.6 Cable Fault Detection between Slaves The TC2100's link monitor consists of cable fault detection rings that are implemented between Slaves and between the Slave and Master units. This monitor can detect cable breakage between any of the units, as illustrated in Figure 8.

  • Page 8: Dual Master Mode Description

    Dual Master Mode Description TC2100 has a special feature called “Dual Master.” When a unit is enabled as “Dual Master,” it can be either a slave unit or a master unit. It is a very useful tool against major cable breakage and unit malfunction (especially if the master unit is the source of the problem), because one of the slave units can be a backup master unit.
  • Page 9 TC2100 DM User's Manual Ver. 1.6 Normal condition: unit 1 unit 2 unit 4 unit 3 During normal condition unit 3 is in Slave mode Figure 9. Ring operation under normal condition In case one, both A-ring and B-ring are broken on both sides of main master unit (see figure 10), which stops “unit 1”...
  • Page 10 TC2100 DM User's Manual Ver. 1.6 In case two, both A-ring and B-ring are broken in different locations, and the rings are cut in half. (See figure 11.) The self-healing ring is able to keep the network between “unit 1” and “unit 2” up, but “unit 3” and “unit 4”...

  • Page 11: Led Functions

    TC2100 DM User's Manual Ver. 1.6 LEDs, DIP Switches and Connectors Figure 12. TC2100's Front Panel LED Functions BROADCAST & RESPONSE LEDs BRD-1: Indicates a broadcast msg from the local device on Channel 1 (when lit). BRD-2: Indicates a broadcast msg from the local device on Channel 2 (when lit).

  • Page 12: Led Functions (Cont.)

    TC2100 DM User's Manual Ver. 1.6 LED Functions (cont.) OPTIC SIGNAL LEDs Sync-A: Indicates a valid data packet is received at "RxA" (when lit); flashes if data packet is invalid. Sync-B: Indicates a valid data packet is received at "RxB" (when lit); flashes if data packet is invalid.

  • Page 13: Anti-Streaming Timer

    Ver. 1.6 Anti-Streaming Timer The TC2100 (slave) has a built-in Anti-Streaming Timer that prevents a defective RTU or PLC from bringing down the entire network. The electrical channels (TxD & RTS) from the RTU(s) are monitored individually; they are based on data (not control) signals. When the Anti-Streaming Timer is exceeded (after either 1,2 or 4 seconds of continuous transmission depending on customer’s request), an alarm is triggered and the...

  • Page 14: Electrical Specifications

    Ver. 1.6 Electrical Specifications The electrical signal interface for the TC2100 can be RS-232, RS-422, or RS-485 (2 or 4-wire) DCE (unless factory configured as DTE). The data rate is Asynchronous DC (with control) up to 38.4Kbps (or two Async channels without control).
  • Page 15 TC2100 DM User's Manual Ver. 1.6 For 2-wire RS-485 interfaces, pins 3(-) & 16(+) are input/outputs. Ω Figure 14. 2-wire RS-485 Connection/Logic Diagram For RS-422 and RS-485 4-wire interfaces, pins 2(-) & 14(+) are inputs while pins 3(-) & 16(+) are outputs.

  • Page 16: Fiber Optic Specifications

    Fiber Optic Specifications Transmission Distances (typical) The TC2100 is compatible with all popular sizes and types of fiber. Transmission distances up to 3km* are typical over Multimode fiber at 850nm and 4km* at 1310nm. Distances to 35km* are typical over Single Mode fiber at 1310nm.

  • Page 17: Chapter 2 - Installation

    (such as an RTU) to signal an alarm condition to the Host. Power Supply Typically, a 9V to 12V DC @500mA power supply is adequate for the TC2100. The power plug is a terminal block connector with positive & negative polarity indicated on the rear panel of the unit. Alternate power sources are available as an option (see Chapter 6 - Specifications).

  • Page 18: Chapter 3 - Troubleshooting

    Ver. 1.6 General Alarm conditions occur whenever an optical problem or "fault" is detected by the TC2100. Under normal operation, all LEDs should be "On" (either solid or blinking), with the exception of the "ALARM" LED. All LEDs are "Off"...

  • Page 19: Chapter 4 - Bench Tests

    It is highly recommended to conduct these bench tests before actual installation. Bench testing will allow the user to become familiar with all the functions and features of the TC2100 in a controlled environment. Knowledge of the TC2100's functions and features will ease installation and troubleshooting efforts later on.

  • Page 20: Local Electrical Loopback Bench Test

    Alarm LED should start flashing. Set the BERT tester up as a DTE device (set the tester up as a DCE device if the TC2100 was factory configured as a DTE). The "BRD-1" & "BRD-2" and "RSP-1" & "RSP-2" LEDs should be dimly lit, showing the status of the looped signal.

  • Page 21: Optic Loopback Bench Test (For Master Only)

    TC2100. Unscrew the two flathead screws on the TC2100's front panel. Gently slide the unit out of the housing. Set the switch 3 of the internal DIP switch (SW1) to the right (On) position and all others to the left position.

  • Page 22: Remote Loopback Bench Test

    3 (for an RS-232 interface) at Slave 1's DB25 connector (or switch ESW1 “RMTLB” to the down position). Set the tester up as a DTE device (set the tester up as a DCE device if the TC2100 was factory configured as a DTE). The BERT tester (connected to the Master) should indicate a "SYNC"...

  • Page 23: Commonly Asked Questions

    5. What is the built-in signal generator and how is it used ? Ans: For the TC2100 (Master), by sliding the SIG GEN (ESW3) DIP switch to the down (On) position, a pulse signal will be generated to simulate an incoming signal on the DB25's connector pins. In effect, this pulse signal is a simulated broadcast signal from the SCADA host, which will travel through the fiber to each Slave in the ring.

  • Page 24: Chapter 6 - Specifications

    Bit Error Rate ....................1 in 10 or better Visual Indicators ....BRD-1, BRD-2, RSP-1, RSP-2, LPA, LPB, TxA (TC2100 only), ..........TxB (TC2100 only), A2B (TC2101 only), B2A (TC2101 only), ............RxA, Sync-A, RxB, Sync-B, PWRA, PWRB, Vcc, ALARM.

  • Page 25: Return Policy

    Buyer should notify TC Communications, Inc. promptly in writing of any claim based upon warranty, and TC Communications, Inc., at its option, may first inspect such goods at the premises of the Buyer, or may give written authorization to Buyer to return the goods to TC Communications, Inc., transportation charges prepaid, for examination by TC Communications, Inc.
  • Page 26 TC Communications, Inc. TC Communications, Inc. shall not be responsible for loss or damage in transit and any claims for such loss or damage shall be filed by the purchaser with the carrier.

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