Table 2-1 Specifications Of The Dru; Table 2-2 Specifications Of Interface Between Neax2400 Ims And The Dru - NEC NEAX 2400 ICS Manual

3.1.4 Specifications of the DRU
Table 2-1 and 2-2 show specifications pertaining to the DRU.
ITEM
Number of Circuits
Connectable Analog PB TEL
Terminal
analog port max)
Distance between
the DRU and Analog (Including TEL
term
PB TEL/D

Table 2-2 Specifications of Interface between NEAX2400 IMS and the DRU

ITEM
DRU Installing Con-
dition
Extensible Distance
[In the case of In-Premises Direct Installation]
Transmission Speed
Number of voice/
Data Channels
Number of Common
Channels
Transmission Code

Table 2-1 Specifications of the DRU

DRU-30-A
30 circuits ELC Mode
Voice 30 circuits
Data None
2W D
(One TEL per
350 Ω
Max. 200 meters (609 feet)
resistance)
DRU-30-A/DRU-30-S3
In-Premises Direct Installation
Max. 400 meters (1218 feet)
2.048 Mbps
30 CH
1 CH
AMI (HDB3)
SPECIFICATIONS
DRU-30-S3
DLC Mode
Voice15 circuits
Data15 circuits
term term
(D Series III)
INTERFACE SPECIFICATIONS
In-Premises Direct Installation/Remote Instal-
[In the case of In-Premises Direct Installation]
ND-45383 (E)
DRU-23-S3
ELC Mode DLC Mode
Voice23 circuits Voice 12 circuits
Data None Data 11 circuits
term term
2W D (D Series III)
Max. 200 meters (609 feet)
DRU-23-S3
lation by T1 Interface
Max. 400 meters (1218 feet)
1.544 Mbps
23 CH
1 CH
AMI (B8ZS)
Revision CD 1.0
CHAPTER 2
Page 9