T640 Db-9 Connector Pinouts For The Routing Engine Auxiliary And Console Ports; Ports; Table 74: Db-9 Connector Pinouts; Table 75: Rj-48 Connector Pinouts - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide

T640 DB-9 Connector Pinouts for the Routing Engine AUXILIARY and CONSOLE Ports

Related
Documentation
T640 RJ-48 Connector Pinouts for the SCG EXTERNAL CLOCK INPUTS Ports
450
The ports on the CIP labeled
RS-232 (EIA-232) cable. The
modem, or other auxiliary unit, and the
console. The ports are configured as data terminal equipment
describes the DB-9 connector pinouts.

Table 74: DB-9 Connector Pinouts

Pin Signal
1 DCD
2 RxD
3 TxD
4 DTR
5 Ground
6 DSR
7 RTS
8 CTS
9 RING
T640 Connector Interface Panel (CIP) Description on page 56
Connecting the T640 Router to a Management Console or Auxiliary Device on page 136
T640 Routing Engine Interface Cable and Wire Specifications on page 448
The two inputs on the SCGs labeled
accept RJ-48 cables for connecting the CB to 19.44-MHz Stratum 3 reference clocks.
Table 75 on page 450 describes the RJ-48 connector pinouts.

Table 75: RJ-48 Connector Pinouts

Pin Signal
1 EXT_RRING (negative input clock)
2 EXT_RTIP (positive input clock)
and
AUXILIARY CONSOLE
port connects the Routing Engine to a laptop,
AUXILIARY
CONSOLE port connects it to a management
Direction Description
<– Carrier Detect
<– Receive Data
–> Transmit Data
–> Data Terminal Ready
— Signal Ground
<– Data Set Ready
–> Request To Send
<– Clear To Send
<– Ring Indicator
EXTERNAL CLOCK INPUT
are DB-9 receptacles that accept
(DTE).Table 74 on page 450
are RJ-48 receptacles that
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