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2.3 TYPICAL APPLICATION
The Model IM1/I4 QuickConnect™ is designed to plug directly
into the rear of a Patton Electronics baseband modem (e.g. Model
1092A or 1095). The Model IM1/I4 is designed to be used as one of a
pair of units. Figure 1 (below) illustrates a typical Model IM1/I4 instal-
lation.
22..00 GGEENNEERRAALL IINNFFOORRMMAATTIIOONN
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 us at: (301) 975-1007, http://www.patton.com; support@pat-
ton.com.
2.1 FEATURES
• Standard interface module for use in QuikConnect platform
• Integral 4-Port HUB
• Industry standard RJ-45 10Base-T connections (four)
• Transparent LAN bridging
• PPP (Point to Point Protocol RFC 1661) with Bridging Control
Protocol (RFC 1638)
• 4096 MAC address table
• 1 MB RAM; 128 KB FLASH
• Throughput latency of 1 frame
• Automatic LAN MAC address aging
2.2 DESCRIPTION
The Patton Model IM1/I4
QuikConnect™
is an Ethernet Bridge
with built-in four (4) port hub. The IM1/I4 interface module provides
LAN extension when used in conjunction with either the IM1/I,
IM2RC/IA, or IM1/I4 modules. The module performs transparent
Ethernet bridging and functions at the MAC level. As such, the mod-
ule, and its communications infrastructure, is transparent to higher
level protocols such as TCP/IP, DECnet, NETBIOS and IPX network
protocols. Only broadcasts, multicasts, or frames destined for peered
LAN are forwarded. The Model IM1/I4 is 802.3 compliant and supports
PPP (RFC 1661) with Bridging Control Protocol (RFC 1638).
Once installed in the local Patton base unit, the Patton IM1/I4
works in a “plug and play” manner to forward LAN broadcasts, multi-
casts and frames destined for the peered Ethernet LAN at the remote
end (the Patton base unit at the remote end must be equipped with an
IM/I, IM1/I4 or IM2RC/I module). Using the Patton IM1/I4, Ethernet
LANs can be linked over leased 2-wire/4-wire, DDS, PCM and campus
fiber circuits.
3
4
LAN
Figure 1. Typical Model IM1/I4 application
10Base-T
Workstations
1095 with
IM1/I4 Hub
Module
Rack Mounted
1095RC with
IM2RC Bridge Module
10Base-T
Ethernet