Comtest Networks MTAS-192 METALLIC TEST ACCESS SYSTEM User Manual
Page 48

Comtest Networks
CT-IG-MTAS192-2008-v1_8.doc
MTAS-192
42
Installation Guide
May 2008
Item Description
Interfaces
3
LINE (local) loop: 50-pin (25 pair) standard Telco RJ-21
connector (backplane, one per line card)
POTS: 50-pin (25 pair) standard Telco female RJ-21
connector (backplane, one per line card)
DSL: 50-pin (25 pair) standard Telco female RJ-21
connector (faceplate of each line card)
TEST ACCESS BUS: 8-wire RJ-45 female jack (backplane)
Communications
Ethernet - 10/100BaseT Shielded RJ-45 (Supports ASCII
and TL1 messaging (GR-834))
COM 1- RS232 serial port - DB-9 connector debug port
AUX 1 - RS232D serial port – shielded RJ-45 connector
(Supports ASCII and TL1 messaging (GR-834))
TCP/IP Ports
TELNET 9090
RAW TCP SOCKET 9099
Control Options
TL1, ASCII (command line, Telnet, TCP)
Protection
Secondary protection on POTS/EQUIPMENT side via
current and over-voltage devices
Compliance
UL/CSA, FCC Part 68, CS 03, NEBS, GR1089, CE
Power
Standard CO Battery, -48V DC operation
Current
250-500 mA (0.5 A) for a fully-loaded shelf
Fuse Requirements
0.5 Amp minimum to 1.0 Amp maximum
Environment
-40 to +60 degrees Celsius
3
Only 24 pairs are used on the RJ-21 connector. See Appendix A for pinout information.