IP•Tube SER Bell 202T 2 Wire
Bell 202 T 2-Wire Modem Over IP MPLS Ethernet
Overview & Applications
| Flexible Bell 202 Serial Data Extensions over Packet Networks The IP•Tube SER 202 T has integrated Bell 202 T modem interfaces that connect to the Bell 202 T 2 Wire modem interface of Data Communication Equipment and transports their serial communication over IP Packet networks. This conversion facilitates a cost effective path for Utility and Pipeline industries to migrate their SCADA communication from end of life analog circuits to Ethernet based LAN/WAN/MAN wired and wireless networks. | |
Asynchronous Serial Over IP Asynchronous characters with 5 to 8 data bits, a baud rate 1.2 kilobits, 1 or 2 stop bits, and with or without parity are efficiently encapsulated into IP packets. The latency is controlled by setting the maximum number of consecutive async characters per IP packet. | |
SCADA Protocol Transparency The IP•Tube SER 202T transports asynchronous SCADA protocols transparently because of its unique TDM circuit emulation capability. RTU transmit data is encapsulated into IP packets at 64,000 samples per second and de-encapsulated at the far end at the same rate, ensuring proper RTU receive data delivery. Multiple RTUs can be IP multiplexed onto T1 circuits for routing to existing cross-connect and channel bank equipment. | |
IP•Tube SER 202T 2-Wire Standard Features | |
Dual LAN Interfaces Assured Delivery Protocol In order to assure high quality communications over links with intermittent or noisy performance, such as Wireless, the IP•Tube SER 202T employs Engage’s robust Assured Delivery Protocol with the following benefits: • Packet out of sequence detection and re-sequencing • Duplicate skipping • Lost packet retransmissions with configured delay | |
IP•Tube SER 202 T Optional Features | |
| Protector OPTION -PRO The protector option utilizes the second LAN interface as a redundant path for the interconnection of the IP encapsulated Bell 202 T data. The extension of the Bell 202T has a fault tolerant link that is configured to always on, or with switch over criteria. |
Applications
2-Wire Bell 202 Modem Over IP
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| Utility and Pipeline industries use 2 wire leased line communication circuits to connect remote SCADA equipment to control centers. A significant number of SCADA Remote Telemetry Units only have integrated 2 wire modem interfaces. The IP•Tube SER 202 T extends the life of proven SCADA systems by converting Bell 202 2 Wire modem interfaces to Ethernet for IP Packet network connectivity. | |
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The IP•Tube SER 202 T interfaces directly to the 2 wire analog interface of the RTU, transparently encapsulates SCADA protocols from the RTU into IP packets, and transports those packets onto the IP network. At the control center, the central site SER Bell 202 Tseamlessly converts the packets back into their original 202T modem data format; or directly to an RS232 DCE interface with an IP•Tube SER RS232. | |
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Technical Specifications
LAN Network Interface: • Two 10/100BaseT Ethernet interfaces LAN Network Protocols Supported: • IP, TCP, UDP, ICMP, Telnet, DHCP, DDNS, SSH Modem • Bell 202T 2-Wire; RJ45 Crossed Wire for Straight Cable Serial Data • 1200 Baud Asynchronous Serial Over IP Protocol: • Async Over IP • TDM Over IP • Circuit Extension Services Over IP Regulatory: • CE • Safety -IEC60950 • EMC - CFR 47 Part 15 Sub Part B:2002, EN55022:1994+A1&A2, EN55024, ICES-003 1997, CISPR 22 Level A Quality of Service Support: • IP Type of Service (TOS) CLI configured • IANA Registered UDP Port 3175 • 802.1p/q mac level prioritization |
• Secure Socket Shell - SSH V2 • Telnet support with Edit and Paste Template Files • Console Port for Out of Band Management • SNMP Public and Private MIB support with configured traps TFTP Online Upgrade Capable (FLASH ROMs) • IPTube is fully operational during upgrade Dimensions: • Dimensions: 9" (L) x 7.3” (W) x 1.50” (H) Environmental: • IEEE-1613 • -40° to 70°C operating temperature • Up to 90% operating humidity (non-condensing) Power: • 12-30 VDC, 1.0A. • Screw Locking Connector • Hot Standby• Universal Adapter 100/240 VAC 50/60 Hz • Optional -48V 0.25 Amp |
How to Order
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