Cisco ASR 903 Installation Guide

Connecting Serial Cables
The tables below detail the supported cables with the Cisco ASR 903 Router.
The Cisco ASR 903 Router currently only supports the EIA/TIA-232 connector.
Note
Table 23: Interface Cables for 12-in-1 Connector
ConnectorMale/FemaleLengthProduct NumberCable Type
M34Male10 ft.CAB-SS-V35MTV.35 DTE
M34Female10 ft.CAB-SS-V35FCV.35 DCE
DB-25Male10 ft.CAB-SS-232MTEIA/TIA-232 DTE
DB-25Female10 ft.CAB-SS-232FCEIA/TIA-232 DCE
DB-37Male10 ft.CAB-SS-449MTEIA/TIA-449 DTE
DB-37Female10 ft.CAB-SS-449FCEIA/TIA-449 DCE
DB-15Male10 ft.CAB-SS-X21MTX.21 DTE
DB-15Female10 ft.CAB-SS-X21FCX.21 DCE
DB-25Male10 ft.CAB-SS-530MTEIA/TIA-530 DTE
DB-25Female10 ft.CAB-SS-530FCEIA/TIA-530 DTE
Table 24: Interface Cables for 68-Pin Connector
ConnectorMale/FemaleLengthProduct NumberCable Type
DB-25Male10 ft.CAB-HD4-232MT4-port EIA-232 DTE
DB-25Female10 ft.CAB-HD4-232FC4-port EIA-232 DCE
RJ-45Female10 ft.CAB-QUAD-ASYNC-F4-port EIA-232 DTE
RJ-45Male10 ft.CAB-QUAD-ASYNC-M4-port EIA-232 DTE
DB-9Male10 ft.CAB-9AS-M4-port EIA-232 DTE
Connecting the Fan Tray Alarm Port
The fan tray includes an alarm port that maps to 4 dry contact alarm inputs.
The pins on the alarm port are passive signals and can be configured as Normally Open (an alarm generated
when current is interrupted) or Normally Closed (an alarm is generated when a circuit is established) alarms.
You can configure each alarm input as critical, major, or minor. An alarm triggers alarm LEDs and alarm
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
151
Installing the Cisco ASR 903 Router
Connecting Serial Cables

Cisco ASR 903 Specifications

General

Brand	Cisco
Model	ASR 903
Category	Network Router
Language	English