201.1 Define and state the purpose of FSM. [ref. d]
- Fleet SIPRNET Messaging (FSM) was developed to provide an alternate method of delivering General Service (GENSER) organizational messages classified up tp Secret to fleet units via the SIPRNET.
- FSM was replaced by C2OIX in 2015
◦ Command and Control Official Information Exchange - It provides a reliable means of message drafting, processing, and delivery for Navy forces afloat and ashore.
201.2 Explain why all units commshifting to FSM need a legacy route. [ref. d, para 2.3.3]
- FSM has been replaced by C2OIX
- Units that lose primary delivery paths will have their message traffic provided via an alternate data path, such as CUDIXS or FLEET BROADCAST.
201.3 State the purpose of MMS. [ref. g]
- The Multi-level Mail Server (MMS) provides a store-and-forward system for electronic exchange of organizational messages through unattended dial-up communications links from the GateGuard system using the RIXT protocol.
- The MMS allows the electronic exchange of both unclassified and classified messages, with security provided through the Secure Telephone Unit III Generation (STU-III) on the user side and the Secure Data Device (SDD) on the MMS side. MMS has been decommissioned and is currently not in use.
- MMS has been decommissioned and is currently not in use
201.4 State the purpose of the MUA. [ref. b]
- Master Update Authority (MUA) processes all COMMSHIFTS that affect routing changes for afloat units, as well as perform collective (AIGS and CADS) changes.
201.5 State the purpose and components/systems that comprise FMX/DUSC. [ref. d, g]
- FMX - Fleet Message Exchange provides keying and connectivity between NOVA and CUDIXS; and NOVA and Fleet Satellite Broadcast (IMUL/PMUL).
- DUSC - The Directory Update and Service Center updates the Defense Message System (DMS) Update Authority Component (UAC), to allow operators to service fleet messages found to have been in error by the Message Conversion System (MCS) and to complete communications guard list request messages.
- FSM and DUSC have been replaced by C2OIX
201.6 State the sites that have a FMX/DUSC C2OIX system. [ref. d]
- NCTAMS LANT NORFOLK VA , NCTAMS PAC WAHIAWAH HI
- FSM and DUSC have been replaced by C2OIX
201.7 State the master and alternate DUSC stations. [ref. d]
- NCTAMS PAC is the primary (MDUSC) and NCTAMS LANT is the alternate (ADUSC).
- FSM has been replaced by C2OIX
201.8 Define and state the purpose of MCS. [ref. d, g]
- The primary purpose of the Regional MCS is to provide PLA-to-Routing Indicator (RI) look up and assignment. After receiving a message from the host NOVA System, the Regional MCS will validate the message, assign the appropriate RI(s) and return the message to the NOVA for delivery. If invalid PLAs are found by MCS, the MCS will automatically generate a service message to the originator.
201.9 State the world-wide MCS RI. [ref. d]
- RHMCSUU
201.10 Define and state the purpose of the following: [ref. d]
a. RI - Routing Indicator, 7-digit code identifying a station.
b. OSRI – Originating Station Routing Indicator, station originating a message
c. DSRI – Destination Station Routing Indicator, station a message is being sent to
d. NARC – Navy Automated Relay Controller, First 4 digits of routing indicator
e. FRI – Fleet Routing Indicator, last 3 digits
201.11 State the RI that MCS will assign to an invalid PLA within a transmitted message.
- RUBDPLA
201.12 State the purpose of the following common modified ACP 126 message F/L: [ref. d]
a. 1 - preamble (VZCZC), circuit identification, channel sequence number
b. 2 - Message header, Same as ACP 128 except use RHMCSUU for the DSRI
c. 4 - Security Warning
d. 5 – Precedence, DTG
e. 6 - Message Originator (FM)
f. 7 - Action addressees (TO)
g. 8 - Information Addressee (INFO)
h. 9 - Exempt addressees (XMT)
i. 11 - Prosign BT
j. 12 - Message test
k. 13 - Prosign BT
l. 14 - Confirmation
m. 15 - End of Message (EOM)
n. 16 - NNNN
201.13 Define the following common OPSIGs: [ref. i]
- ZBZ – What in the printing acceptability of my signals
- ZUJ – stand by
- ZEV – Request you acknowledge msg
- ZUG – Negative
- ZUE – Affirmative
- ZES – Your message has been received: (1) incomplete or (2) Garbled
201.14 Define and state the purpose of CUDIXS. [ref. d]
- Common User Digital Information Exchange Subsystem
- 2400 Baud full duplex service, over a satellite link with mobile platforms for the receipt and transmission of narrative message traffic between C2OIX and mobile platforms equipped with afloat automated systems (NAVMACS).
201.15 List the sites that have CUDIXS suites and their capabilities. [ref. d]
- NCTAMS LANT, NCTAMS PAC, NCTS GUAM, and NCTS Naples
- Each site is able to hold one or both functions of a CUDIXS service (NECOS, RF).
201.16 Explain whether each master station can radiate each other’s CUDIXS and their limitations. [ref. b]
- Only limitations are geographical. i.e. only sites that are within sight of the satellite can provide the uplink necessary to hold the radiating function.
201.17 State the purpose of MPS-800. [ref. j]
- The TANDBERG MPS enables sites on IP (H323 and SIP), ISDN and High Speed Serial (V.35/RS449/RS530 w/ RS366 support) to participate in meetings with each other, and at the same time it offers superior quality and ease of use in one fully-featured multipoint control unit, MCU. The TANDBERG MPS may also include the optional Gateway functionality
- Translation: a media processor capable of supporting many simultaneous audio teleconferences, video calls, and gateway calls.
201.18 Define and state the purpose of the following fleet multi-channel broadcast
packages: [ref. d]
a. LMUL – LANT Multichannel
b. IMUL – IO Multichannel
c. PMUL – PAC Multichannel
All three have been consolidated into the Worldwide Multichannel (WMUL) Broadcast.
Uplink can occur from any station with a NMT, to the MILSTAR sattelites for crosslinking, crossbanding, and worldwide broadcast.
201.19 State the purpose of the following and the required equipment to perform the function: [ref. d]
a. 1. BCA – Broadcast Control Activity – Implements an approved Fleet Broadcast for a specific communication area and provides direction and guidance to govern its assigned broadcast employment. They control (have authority over) the broadcast.
b. 2. BKS – Broadcast keying station – introduces message or facsimile traffic into the fleet broadcast network. They encrypt (key) the broadcast data.
c. 3. BCS – Broadcast Control Station – provides all the technical aspects of affecting a Fleet Broadcast, which include assembling key streams received from the BKS into a specific broadcast channels and delivering a composite key stream to the Broadcast Radiating Station (BRS) for transmission. They multiplex (control) the broadcast.
d. 4. BRS – Broadcast Radiating Station. They radiates the broadcast signal to the fleet Via Satellite
201.20 Define and state the purpose of the following DMS components: [ref. d]
- DMS has been replaced by C2OIX
a. TMG - TMG provides message translation capability enabling the exchange of messages between DMS enabled users and legacy users within the Navy’s tactical domain and the Fleet. TMG is installed at NCTAMS LANT NORFOLK VA and NCTAMS PAC WAHIAWAH HI.
b. MLA –MAIL LIST AGENT - Provides a collective addressing capability for DMS
c. MFI – infrastructural-level component that provides protocol conversion between DMS MTS and the DTH legacy-messaging environment.
d. PCMT - Personal Computer (PC) based message processing system used at shore-based Navy fleet relay centers, telecommunications centers, and remote terminal sites. PCMT improves the speed, accuracy, and reliability of message handling functions. PCMT is capable of processing both narrative and data pattern messages. Message traffic within the PCMT is relayed to collocated AST for exchange with AUTODIN. It can be configured as a backside terminal to the (NAVCOMPARS), Nova, or MDT host system.
e. DIT - A directory information tree (DIT) is data represented in a hierarchical tree-like structure consisting of the Distinguished Names (DNs) of directory service entries.
f. BMTA – Backbone Message Transfer Agent – Functions as high level store-and-forward switches within the DMS MTS
g. LMTA – Local Message Transfer Agent – Functions as an intermediate level switch that stores and forwards messages.
h. VFC – Virtual Fortezza Card
i. CAW – Certificate Authority Workstation – CAS is a NSA certified and approved workstation that provides enabling technology supports messaging security services of confidentiality, authentication, and non-repudiation.
j. X.400 – Exchange Directories - X.400 is a suite of ITU-T commendations that define standards for Data Communication Networks for Message Handling Systems (MHS) — more commonly known as “e-mail”.
k. X.500 - Exchange Directories - .500 is a series of computer networking standards covering electronic directory services. The X.500 series was developed by ITU-T, formerly known as CCITT. The directory services were developed in order to support the requirements of X.400 electronic mail exchange and name lookup
