Cabletron Systems 520 - Manual (Page 26)

Product Introduction
1-6
7 Port 2 Serial Line
OK LED (for
SSR-520) Indicates self-test pass or failure.
ISDN Port OK
(for SSR-510) Indicates self-test pass or failure.
8 Port 2 Serial Line
Activity Indicator
(for SSR-520) Indicates operation mode on port 2.
ISDN Activity
Indicator (for
SSR-510) Indicates operation mode on ISDN
port.
9 Twisted Pair
(10BaseT)
Connector Connects the router to a 10BaseT
network.
10 Synchronous
Serial Port
Connectors
(labeled 1 and 2
for SSR-520) These ports support the EIA530A,
RS232/V.28, RS422/V.11, V.35, X.21
Leased Lines (LL), RS423/V.10
11 Console Port
Connection Connects a console terminal that is
used to manage the console. Uses an
8-pin MJ connector.
12 Dump Button Forces a dump of router memory.
Refer to the Distributed Router
Software System Software Guide for
more information.
13 Ethernet Network
Connector (BNC) Connects the router to the dedicated
Ethernet segment. Not used when the
router is connected through the
twisted pair (10BaseT) connector.
14 Ethernet Label Lists the Ethernet address of the
module.
15 ISDN Connection
(labeled 2 for
SSR-510) Connects the module to an ISDN
segment. Uses an 8-pin MJ connector.
Table 1-1. Front Panel LEDs and Connectors
Item Icon Name Description