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Zhone Technologies, Inc. IMACS Product Book, Version 4
March 2001 Page 27
Table 8—Interface Card Specifications (continued)
Control Terminal Interface Port
Connector RJ-48F, 8 pin, EIA 561
Electrical Interface DCE RS232, ITU-T V.28
Function Connect local VT100-compatible Control Terminal (local craft interface on the
892260)
Speed Maximum 9,600 bps asynchronous
Code Set 8 bit characters plus one start and one stop bit with no parity
Node Port
Connector RJ-48F, 8-pin
Electrical Interface Dry contact
Alarm Output Passive current loop, one normally open loop and one normally closed loop
Function Alarm management between co-located IMACS nodes and external alarm
management systems and panels
Modem Port
Models 892060, 892360, 892660 only
Connector Female 6-pin RJ-11c socket
Electrical Interface 600 ohm 2-wire balanced
Protection HV zener, 0.25A fuses on Tip and Ring
Function Connect internal modem to PSTN for access to remote operator and remote EMS
network management system
Modem Specifications
Model 892060, 892360, 892660 only
Compatibility ITU-T V.22 bis
Modulation 16 point QAM
Line interface 2-wire balanced 600 ohm
Ringer Equivalence 0.2 A
Approval FCC Part 68
Equalization Receive automatic adaptive, transmit fixed compromise
Transmit Level -9.5 dBm
Receiver Sensitivity On to OFF threshold -4.5dBm, OFF to ON threshold -48 dBm
Dialing Mode DTMF Tone
Speed Supported 2,400 bps asynchronous
Code Set 8 bit characters plus one start and one stop bit with no parity
Adapters
Model 1106 with 2 BNC
connectors
Supports 1 E1 circuit on 75 ohm coaxial cable (RG59)
Model 1121 with 2 RJ48 sockets Supports 2 T1 or E1 circuits on twisted pair cable plus bantam jacks for test
Model 1181 with 8 RJ48 sockets Supports 8 T1 or E1 circuits on twisted pair cable
Model 1184 with 16 BNC sockets Supports 8 E1 circuits (suitable for IMACS 800)
Standards Conformance
ITU-T V.28 Electrical characteristics for unbalanced double-current interchange circuits
ITU-T G.703 Physical/Electrical Characteristics of Hierarchical Digital I/F
ITU-T V.22 bis 2400 bits per second Duplex Modem Using the Frequency Division
Technique
EIA 56 8-Position Non-Synchronous Interface between DTE and DCE Employing
Serial Data Interchange