Nortel Networks M3110 - Manual (Page 456)

Page 456 of 504 Appendix D: M2317 telephone
553-3001-367 Standard 3.00 August 2005
• Output voltages:
+5 V DC at 1.0 A
-12 V DC at 200 mA
+12 V DC at 200 mA
• Case dimensions: 178 x 102 x 76 mm (7 x 4 x 3 in.)
The NPS50220-03L5 is equipped with an internal thermal and short circuit
protection.
Whenever the external power supply fails (due to failure of the power utility),
the M2317 Telephone assumes Plain Ordinary Telephone Service (POTS)
status. At this time the telephone is capable of receiving and originating calls
Figure 92
M2317 telephone cross-connections
553-1291
(W-BL)
(BL-W)
(W-G)
(G-W)
(BK-G)
(G-BK)
(BK-S)
(S-BK)
Line Cord
to Telephone
Tip
Ring
G
R
T0
R0
T1
R1
T6
R6
T7
R7
To Telephone
To Telephone
To Telephone
Cross-connect Block
Part of multi-pair Cable
Part of Shelf
Wiring Harness
Shelf Connector
16
40
13
38
3
28
26
1
PE Shelf
Line Pack
Pack Connector
T0
R0
T1
R1
T6
R6
T7
R7
Unit 0
Unit 1
Unit 6
Unit 7
TELADAPT
Connecting Block