MDF PCB Wiring

Station Loop Lengths

DKT3000-series telephone loop limits are in Table 10-2.

Table 10-2 Loop Limits for DKT3000-series Telephones

 

Power Supply Unit

 

Maximum line length (24 AWG)

Telephone/Device

(PSU) or Battery

1 Pair

1

2 Pair

1 Pair plus

 

Backup

external power2

 

 

 

DKT3000-series or DKT2000-

PSU

1000 ft. (303m)

 

 

series models3,

 

 

 

 

 

 

 

 

 

 

DKT with BVSU or DVSU or

Battery Backup

675 ft. (204m)

 

 

DKT with BHEU or HHEU

 

 

 

 

 

 

 

 

 

 

 

 

DKT with BPCI

PSU

1000 ft. (303m)

 

 

 

 

 

 

 

Battery Backup

500 ft. (151m)

1000 ft. (303m)

 

 

 

 

 

 

 

 

DKT with BPCI + BHEU

PSU

1000 ft. (303m)

 

 

 

 

 

 

 

 

Battery Backup

500 ft. (151m)

 

1000 ft. (303m)

 

 

 

 

 

 

 

DKT with DADM3020 or

PSU

675 ft. (204m)

 

 

 

 

 

 

 

DADM2020 (1 ADM)

Battery Backup

165 ft. (50m)

 

 

 

 

 

 

 

 

 

 

DKT with DADM3020 or

PSU

500 ft. (151m)

 

 

 

 

 

 

 

DADM2020 (2 ADMs)

Battery Backup

33 ft. (10m)

330 ft. (100m)

 

 

 

 

 

 

 

 

DDSS3060 or DDSS2060

PSU

1000 ft. (303m)

1000 ft. (303m)

 

 

 

 

 

 

Battery Backup

675 ft. (204m)

1000 ft. (303m)

 

 

 

 

 

 

 

 

BATI, RATI

PSU

1000 ft. (303m)

n/a

n/a

 

 

 

 

 

Battery Backup

1000 ft. (303m)

n/a

n/a

 

 

 

 

 

 

DDCB3A

PSU

1000 ft. (303m)

1000 ft. (303m)

1000 ft. (303m)

 

 

 

 

 

Battery Backup

165 ft. (50m)

675 ft. (204m)

1000 ft. (303m)

 

 

 

 

 

 

 

1.One pair wiring must be used with BWDKU. The BWDKU does not support two pair wiring.

2.Two pair wiring or optional telephone power supply is required to achieve maximum range in all cases.

3.BDKS does not provide the power wire pair, an external power supply is required to achieve maximum range (see Figure 10-2).

MDF PCB Wiring

Strata CTX I&M 06/04

10-3

Page 375
Image 375
Toshiba CTX28 manual 10-3, Loop Limits for DKT3000-series Telephones, MDF PCB Wiring