Raymar Telenetics Myriad Rack Mount Modem Bank

Myriad Rack Mount Modem Bank

Telenetics Myriad Series Rack
To service the growing need for efficient, reliable data communications in the harsh environments of utility substations and industrial facilities, Raymar-Telenetics has developed a family of data communications products that can operate from various AC/DC power supplies and survive high surge levels and extreme temperatures.
The Raymar Telenetics Myriad Rack Mount Modem Bank is an industrial grade, 19″ 3U (5.25″H) chassis with slots for 18 modem cards and 2 power supply cards. Each modem rack can be installed with many of Raymar-Telenetics modem cards, from Bell 202T to V.32bis. The Raymar Telenetics Myriad rack can be powered from a wide range of AC or DC voltages. Two power supply cards can be installed to provide automatic back up in the event the primary power supply fails. The Raymar Telenetics Myriad rack will operate in temperatures from -20 ° to 85 ° C and is surge protected on both the power and analog lines.


  • 18 Modem Slots
  • Dial and Leased Line Modems
  • Bell 202T (1200bps) to V.32bis (14.4 Kbps)
  • Hayes AT Compatibility
  • Full Array of Status LEDs
  • Standard 19″ x 5.25″ (3U) EuroRack
  • Powered from 0 – 150 VDC or 9 – 275 VAC
  • Single or Dual Power Supplies (Auto Back Up)

MODEMS Eighteen slots are provided for front-loading, hot-swappable modem cards. Each card can accommodate any one of the Raymar- Telenetics (MD) modem cards listed in the table below.
POWER SUPPLIES Two power supply slots are provided. Power supply cards are available for any voltage in the range 18 – 150VDC and 9 – 275VAC. A single power supply card will power all 18 modem cards. A second power supply card, if installed, provides automatic backup in the event of a failure of the primary power supply.
BACKPLANE (MDR) The backplane connectors are standard DB25F serial ports and RJ 11 analog ports. Power connectors are screw terminals for DC and fused sockets (IEC 320) for AC.
LEDs Power, DTR, TxD, RxD, MR, CD, RTS, CTS, RI
MYRIAD MODEM CARDS A Myriad (MD) modem card slides into any one of the 18 slots in the MDR backplane and can be mixed in any combination of dial-up, leased-line or pilot-wire modems. MD cards can be removed while the rack is powered.
Telenetics Myriad Series Cards
Part Number Description
MD9612FP Telenetics FP, 1200/4800/9600, LL, B202T&V.23, PP-MP, MYRIAD RM
MD14.4 Telenetics V.32bis, 14.4Kbps, V.22, Bell 212A, Bell 103, Dial-Up, Myriad
MD14.4L Telenetics V.32bis, 14.4Kbps, V.22, Bell 212A, Bell 103, Leased-Line, Myriad
MD202T Telenetics Bell 202T, 1200bps, w/Loop Back, Myriad
MD28.8 Telenetics V.34, 28.8Kbps, Dial-up, Myriad
MD9.6FPD Telenetics V.22, 9.6Kbps, Bell 212A, Bell 103, Dial-up, FPoll, Digital, Myriad
MDV23 Telenetics V.23 Module, Myriad
Telenetics Myriad Series Power Supplies
Part Number Description
MDP-00 Telenetics Power Supply 24VDC, Myriad
MDP-01 Telenetics Power Supply 48VAC, Myriad
MDP-02 Telenetics Power Supply 120VAC, Myriad
MDP-03 Telenetics Power Supply 220VAC, Myriad
Telenetics Myriad Series Modem Rack
Part Number Description
MDR Telenetics Myriad Rack Mount Chassis & Backplane Assembly (18 Slots)

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