Table 7-9 Maximum Cabling Distances; Table 7-11 Data Communication Ports - Panasonic DBS 576 Technical Manual

Section 300-Installation
Cabling Specifications
Table 7-9. Maximum Cabling Distances
Loop Type Resistance
Key Telephone, EM/24
DSS/72
SLT
Doorphone (Loop between the
DBS and Doorphone Adapters)
Doorphone (Loop between the
Doorphone Adapter and the
Doorphone)
Note
If a TAPI box or Voice Response Telephone Adapter is installed with the telephone, the
measured resistance must be less than 20 Ohms and the maximum cabling distance reduced in
half compared to a standard key telephone.
Table 7-10. Voice Path from KTELS to DBS 576
Overall communications path
D-channel data
B-channel data
Table 7-11. Data Communication Ports
Port
Serial Port 1
Maintenance (Built-in)
576-13-300
Resistance
See note
40 Ohms
20 Ohms
100 Ohms
10 Ohms
10 Ohms
Channel
Interface
Baud rate
Parity
Stop bit length
Data bit length
Baud rate
Stop bit length
Data bit length
Parity
DBS 576 (USA), issued 6/2/98
Maximum Cabling Length in Feet
Cable Gauge (AWG)
(distance from the DBS 576)
22
24
26
22
24
26
22
24
26
22
24
26
22
24
26
256 kbps
16 kbps
64 kbps
Parameters
RS232-C
300, 600, 1200, 2400, 4800, 9600
Bps
Even, odd, none
2 or 1
7 or 8
300
1
8
None
Chapter 7 - Specifications
1239
779
490
619
390
245
3097
1948
1225
309
194
122
1239
779
490
Speed
7-7