Cables and Connectors
IDSL specifications
MAX 4000 Series Hardware Installation Guide
Preliminary November 4, 1998
C-43
IDSL specifications
Check with your provider regarding the network-interface specifications for the ISDN Digital
Subscriber Line (IDSL) card. The card supports loopback testing. It includes an RS-449 cable
for connection to a DCE device.
General specifications
Following are the general specifications for the IDSL card:.
Network-interface specifications
Specifications for the IDSL network interface are as follows:
•
18,000 feet over copper twisted pair
•
AT&T Point-to-Point
•
2B1Q signaling compatible
•
Data only at 128 Kbps (symmetric)
The network interface is compatible with:
•
ANSI T1.601-1991
•
CNET specification technique ST/LAA/ELR/DNP/822
•
ETSI DTR/TM 3002
•
Recommendation CCITT G961
•
Most of the commercially available 2B1Q band ISDN BRI terminal adapters, bridges, and
routers
Voice Channels
2
Transfer rate
128 Kbps (symmetric)
Transmission distance
18,000 feet
Interfaces per card
8 ports per card, up to 6 cards per system
Physical connectors
RJ-45
Connector requirements
Must meet JIS C 5973 standards
Card dimensions
5.6 in high x 10.7 in long (14.2 cm x 27 cm)
Card weight
~2 pounds (0.9 kg)
Operating humidity
0-90%, noncondensing
Operating temperature
32–104° F (0–40° C)
