Control Unit Interfaces - AT&T MERLIN LEGEND Pocket Reference

Control Unit Interfaces

Applications
Interface
Digital switch to MLX
ISDN-BRI
telephones
S/T*
Digital switch to ISDN
7500B Data Module
Switch to the
DS1
following services
Switch to PC
RS-232C
connected to system
programming
RS-232C port
Switch to AT&T model
572 printer, PC
with CAS, or CAT
connected to
RS-232C port
* Call handling derived from CCITT recommendation Q.931
Page 4
T1 — Emulated tie
trunk, loop-start,
and ground-start
ISDN-PRI services
Accunet®
switched
digital service,
Megacom®
WATS,
Megacom® 800,
Software Defined
Network (SDN)
Audio/
Signaling
Data
Channel
Rate
Rate
16 kbps
(D);
64 kbps
(B)
64 kbps
(B and D)
64 kbps
2400
2400 bps
bps
or
1200 bps or
1200
bps
1200
1200 bps
bps