Technical data

ARN/DC Technical Specifications
116273-B Rev 00
C-3
Table C-1 describes each interface.
Table C-1. Network Interfaces Available on ARN/DC
Network
Interface Description
Ethernet and
Second Ethernet
Supports the Ethernet and IEEE 802.3 standards that provide LAN connectivity. The
ARN/DC can have up to two Ethernet10BASE-T interfaces: one on the base module
and one on an expansion module.
There are two ports available for each 10BASE-T: a 10BASE-T and an 802.3 AUI port;
however, you can use only one of these ports (10BASE-T or AUI) on each module at a
time.
The 10BASE-T interface provides unshielded twisted-pair support; the 10BASE-T AUI
interface provides broadband, baseband, fiber, and shielded twisted-pair support,
depending on the transceiver and cabling you use.
Serial Provides WAN connectivity. ARN/DC models can have up to five serial ports (three on
an expansion module and up to two adapter modules).
Each port can operate independently with RS-232, RS-422, RS-449, RS-530, V.28,
V.35, and X.21 cables. Serial capability allows internal or external clocking.
ISDN BRI Supports an S/T or U interface. The BRI provides two B channels, and supports full
D-channel signaling and call setup/tear-down as defined in 1988 CCITT (now ITU-T)
Q.921 and Q.931. For more information on ISDN, functional groups, or reference
points, refer to
Configuring Dial Services
.
The ISDN BRI option is available as an adapter module for any ARN/DC model.
56/64K DSU/CSU Supports a 56/64K DSU/CSU interface.
FT1/T1 and
FE1/E1 DSU/CSU
Provides an interface to convert incoming packet data from an external T1 or E1 line
(using an RJ-48C connector). Because the interface integrates the Channel Service
Unit (CSU) function on each T1 or E1 port, it allows direct connection to the network. A
T1 port can transmit or receive a total of 24 DSO HDLC channels for each DS1 frame.
X.25 PAD Provides an X.25 PAD interface.
V.34 Modem Provides a V.34 modem interface.
Note:
For the proper cables or cable pinouts to use for each interface type, see
the Cable Guide.