Nortel Meridian 1 Description page 92

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553-3001-108 Standard 9.00 April 2000
• Forced Data Terminal Ready (DTR)
• Dynamic Carrier Detect (DCD)
• Inactivity Time-out
• Remote Loopback
• RTS/CTS hardware flow control capability (when calling another MCA)
Synchronous mode features supported by the MCA include the following:
• Half Duplex/Full Duplex
• Internal and external clocking
• Modem and network capability
• Synchronous transmission up to 64 kbps
• Public Switched Data Services compatibility. MCA extends PSDS and
64K restricted and 64K clear capabilities to Modular telephones.
• V.25 bis dialing protocol support at all synchronous speeds up to 64
kbps. High-Level Data Link Control (HDLC) and Bisynch (character
oriented) framing of the V.25 commands is supported.
• Programmable echo canceller disabling for 56 and 64 kbps network calls
Synchronous and asynchronous mode features supported by the MCA
include the following:
• T-Link and DM-DM support
• T-Link and DM-DM are Nortel Networks proprietary protocols. The
SL-100 and DMS data devices use T-Link. DM-DM is used by Meridian
1 data devices such as ASIM, AIM, ADM, SADM, Asynchronous Data
Option (ADO), and MPDA. MCA can use both DM-DM and T-Link.
• Hotline
• Virtual Leased Line
• V.35 interface capability selectable with jumper plugs on the MCA