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2.0 GENERAL INFORMATION
Thank you for your purchase of this Patton Electronics product.
This product has been thoroughly inspected and tested and is warrant-
ed for One Year parts and labor. If any questions or problems arise
during installation or use of this product, please do not hesitate to con-
tact Patton Electronics Technical Support at (301) 975-1007.
2.1 FEATURES
- Integral V.35 Male to 10BaseT Ethernet (Model 2135C)
- Integral X.21 Male to 10BaseT Ethernet (Model 2121)
- Industry standard, shielded RJ-45 10BaseT connection
- 802.3 Ethernet supported by Transparent LAN bridging
- PPP Bridging Control Protocol (RFC 1638) with auto
detection for compatibility with existing Patton Bridge
Modules
- 4096 MAC address table
- 1 MB RAM; 128KB FLASH expandable to 512 KB
- Throughput latency of 1 frame
- Automatic LAN MAC address aging
- Nine LEDs monitor power, LAN, and DTE Interface sig-
nals
2.2 DESCRIPTION
The Patton Model 2121/2135C MicroBridge is an Ethernet
Bridge that provides LAN extension when used in conjunction
with a X.21 or V.35 DCE device, such as a DSU/CSU, NTU,
or router. The Model 2121/2135C performs transparent
Ethernet bridging and functions at the MAC level, thus is
transparent to higher level protocols such as TCP/IP, DECnet,
NETBIOS, and IPX network protocols. Only broadcast, multi-
cast, or frames set up for peered LAN are forwarded. The
Model 2121/2135C is 802.3 Ethernet compliant and supports
PPP Bridging Control Protocol (RFC 1638) on the DTE side.
1.3 SERVICE
All warranty and non-warranty repairs must be returned freight
prepaid and insured to Patton Electronics. All returns must have a
Return Materials Authorization (RMA) number on the outside of the
shipping container. This number may be obtained from Patton
Electronics Technical Support at:
Tel: (301) 975-1007
Email: http://www.patton.com
www: support@patton.com.
Patton Electronics’ technical staff is also available to answer any
questions that might arise concerning the installation or use of your
Model 2121/2135C. Technical Support hours: 8AM to 5PM EST,
Monday through Friday.
WARNING!This device is not intended to be con-
nected to the public telephone network.
NOTE:Packages received without an RMA number will
not be accepted.
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