Instruction manual

Appendix – General Specifications
Station Specifications
Strata DK General Description 6/00 125
Station Specifications
Table 46 Station Loop Requirements
Device
No. of Wire Pairs
(24 AWG twisted pair)
Max. Loop
Resistance
(includes device)
Max. Distance
(KSU/Cabinet to Device)
Digital telephones
1
DDSS consoles
PDIU-DS
DDCB
1. Two-pair wiring or optional telephone power supply is required to achieve maximum range with DADM, OCA,
Headset, or DIU.
1-pair
40 ohms 1000 ft. (303 m)
HDCB
2-pair
Attendant Console (DK424i and
DK424 only, except RCTUA)
RATI (DK424 and DK424i only,
except RCTUA)
1- or 2-pair
Electronic telephones 2-pair; 3-pair for OCA
RPCI-DI or PDIU-DI2
Shares digital telephone
wire-pair
1
DADM
HDSS consoles 2-pair 20 ohms 500 ft. (152 m)
Standard telephones, voice mail,
AA, etc.
1-pair
300 ohms
Approx. 3000 ft. (909 m) with
150 ohm device.
2
2. See manufacturer’s product specifications for exact resistance of device.
600 ohms
Approx. 9000 ft. (2727 m)
with 150 ohm device.
2
1,200 ohms
Approx. 21000 ft. (6363 m)
with 150 ohm device.
2
BRI-TE1 (S or U type)
3
3. ISDN station devices (telephones, fax machines, modems, etc.) are classified as Terminal Equipment (TE-1) or
Terminal Adapters (TAs). There are generally two models available for each particular device: S-type or U-type.
4-pair modular 100 ohms
1650 ft.
BRI-TA (S or U type)
3
1650 ft.