CANOGA PERKINS 2240 Fiber Optic Modem - Manual (Page 14)

Chapter 1 Introduction 2240 Fiber Optic Modem User Manual
2240 Modem
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• Twinaxial Mil-Std 188-114C
• DC-37 Mil-Std 188-114
• CCITT V.35
• Transparent T1/E1
• CCITT V.35/RS-423 (MC2)
• TTL/BNC
Various configurations of the 2240 provide local and end-to-end modem controls, including those
listed below.
Data/Clock:
• Send Data
• Receive Data
• Send Timing
• Receive Timing
• Terminal Timing
Controls:
• Request to Send
• Clear To Send
• Data Set Ready
• Data Carrier Detect
• Local Test
• Remote Test
• Sec. Request to Send
• Sec. Data Carrier Detect
• Data Terminal Ready
• Ring Indicator
1.1.1 LEDs and Switches
Indicator LEDs are provided on the front panel of the modem in both standalone and rackmount
versions. Table 1-1 describes the LEDs.
Table 1-1. Front Panel LEDs
LED Color Description
On (Loop) Red Illuminated on both modems when loopback is enabled. You
enable loopback by setting the front panel Loop switch to
Rem or Loc.
Pwr Green On when the modem is powered on.